Home / 1,087,260.90-1,630,891.35-456,627.30

Finding the Fourth Proportional to 1,087,260.90, 1,630,891.35 and 456,627.30

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Solution

The fourth proportional to 1,087,260.90, 1,630,891.35 and 456,627.30 is: 684,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,260.90 : 1,630,891.35 = 456,627.30 : x
  2. Step 2: Convert to fraction form
    1,087,260.90/1,630,891.35 = 456,627.30/x
  3. Step 3: Cross multiply
    1,087,260.90x = 1,630,891.35 × 456,627.30
  4. Step 4: Simplify right side
    1,087,260.90x = 744,709,513,743.86
  5. Step 5: Solve for x
    x = 744,709,513,743.86/1,087,260.90
  6. Step 6: Final answer
    x = 684,940.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.