Home / 1,687,648.11-2,531,186.64-472,945.17

Finding the Fourth Proportional to 1,687,648.11, 2,531,186.64 and 472,945.17

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Solution

The fourth proportional to 1,687,648.11, 2,531,186.64 and 472,945.17 is: 709,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,648.11 : 2,531,186.64 = 472,945.17 : x
  2. Step 2: Convert to fraction form
    1,687,648.11/2,531,186.64 = 472,945.17/x
  3. Step 3: Cross multiply
    1,687,648.11x = 2,531,186.64 × 472,945.17
  4. Step 4: Simplify right side
    1,687,648.11x = 1,197,112,495,756.53
  5. Step 5: Solve for x
    x = 1,197,112,495,756.53/1,687,648.11
  6. Step 6: Final answer
    x = 709,337.74

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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.