Home / 1,313,714.72-1,812,925.14-710,102.72

Finding the Fourth Proportional to 1,313,714.72, 1,812,925.14 and 710,102.72

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Solution

The fourth proportional to 1,313,714.72, 1,812,925.14 and 710,102.72 is: 979,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,714.72 : 1,812,925.14 = 710,102.72 : x
  2. Step 2: Convert to fraction form
    1,313,714.72/1,812,925.14 = 710,102.72/x
  3. Step 3: Cross multiply
    1,313,714.72x = 1,812,925.14 × 710,102.72
  4. Step 4: Simplify right side
    1,313,714.72x = 1,287,363,073,070.38
  5. Step 5: Solve for x
    x = 1,287,363,073,070.38/1,313,714.72
  6. Step 6: Final answer
    x = 979,941.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.