Home / 1,418,127.70-2,125,417.64-708,353.86

Finding the Fourth Proportional to 1,418,127.70, 2,125,417.64 and 708,353.86

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Solution

The fourth proportional to 1,418,127.70, 2,125,417.64 and 708,353.86 is: 1,061,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,127.70 : 2,125,417.64 = 708,353.86 : x
  2. Step 2: Convert to fraction form
    1,418,127.70/2,125,417.64 = 708,353.86/x
  3. Step 3: Cross multiply
    1,418,127.70x = 2,125,417.64 × 708,353.86
  4. Step 4: Simplify right side
    1,418,127.70x = 1,505,547,791,176.98
  5. Step 5: Solve for x
    x = 1,505,547,791,176.98/1,418,127.70
  6. Step 6: Final answer
    x = 1,061,644.72

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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.