Home / 1,087,245.60-1,631,451.60-456,223.20

Finding the Fourth Proportional to 1,087,245.60, 1,631,451.60 and 456,223.20

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Solution

The fourth proportional to 1,087,245.60, 1,631,451.60 and 456,223.20 is: 684,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,245.60 : 1,631,451.60 = 456,223.20 : x
  2. Step 2: Convert to fraction form
    1,087,245.60/1,631,451.60 = 456,223.20/x
  3. Step 3: Cross multiply
    1,087,245.60x = 1,631,451.60 × 456,223.20
  4. Step 4: Simplify right side
    1,087,245.60x = 744,306,069,597.12
  5. Step 5: Solve for x
    x = 744,306,069,597.12/1,087,245.60
  6. Step 6: Final answer
    x = 684,579.52

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Double scale
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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.