Home / 1,385,463.17-1,913,259.75-1,309,982.97

Finding the Fourth Proportional to 1,385,463.17, 1,913,259.75 and 1,309,982.97

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Solution

The fourth proportional to 1,385,463.17, 1,913,259.75 and 1,309,982.97 is: 1,809,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,463.17 : 1,913,259.75 = 1,309,982.97 : x
  2. Step 2: Convert to fraction form
    1,385,463.17/1,913,259.75 = 1,309,982.97/x
  3. Step 3: Cross multiply
    1,385,463.17x = 1,913,259.75 × 1,309,982.97
  4. Step 4: Simplify right side
    1,385,463.17x = 2,506,337,689,686.46
  5. Step 5: Solve for x
    x = 2,506,337,689,686.46/1,385,463.17
  6. Step 6: Final answer
    x = 1,809,025.14

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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.