Home / 1,087,350.94-1,630,693.50-518,432.05

Finding the Fourth Proportional to 1,087,350.94, 1,630,693.50 and 518,432.05

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Solution

The fourth proportional to 1,087,350.94, 1,630,693.50 and 518,432.05 is: 777,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,350.94 : 1,630,693.50 = 518,432.05 : x
  2. Step 2: Convert to fraction form
    1,087,350.94/1,630,693.50 = 518,432.05/x
  3. Step 3: Cross multiply
    1,087,350.94x = 1,630,693.50 × 518,432.05
  4. Step 4: Simplify right side
    1,087,350.94x = 845,403,774,126.68
  5. Step 5: Solve for x
    x = 845,403,774,126.68/1,087,350.94
  6. Step 6: Final answer
    x = 777,489.35

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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.