Home / 1,564,761.60-2,347,142.40-854,402.13

Finding the Fourth Proportional to 1,564,761.60, 2,347,142.40 and 854,402.13

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Solution

The fourth proportional to 1,564,761.60, 2,347,142.40 and 854,402.13 is: 1,281,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,761.60 : 2,347,142.40 = 854,402.13 : x
  2. Step 2: Convert to fraction form
    1,564,761.60/2,347,142.40 = 854,402.13/x
  3. Step 3: Cross multiply
    1,564,761.60x = 2,347,142.40 × 854,402.13
  4. Step 4: Simplify right side
    1,564,761.60x = 2,005,403,465,973.31
  5. Step 5: Solve for x
    x = 2,005,403,465,973.31/1,564,761.60
  6. Step 6: Final answer
    x = 1,281,603.20

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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.