Home / 1,618,135.17-2,428,285.38-671,505.85

Finding the Fourth Proportional to 1,618,135.17, 2,428,285.38 and 671,505.85

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Solution

The fourth proportional to 1,618,135.17, 2,428,285.38 and 671,505.85 is: 1,007,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,135.17 : 2,428,285.38 = 671,505.85 : x
  2. Step 2: Convert to fraction form
    1,618,135.17/2,428,285.38 = 671,505.85/x
  3. Step 3: Cross multiply
    1,618,135.17x = 2,428,285.38 × 671,505.85
  4. Step 4: Simplify right side
    1,618,135.17x = 1,630,607,838,139.47
  5. Step 5: Solve for x
    x = 1,630,607,838,139.47/1,618,135.17
  6. Step 6: Final answer
    x = 1,007,708.05

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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.