Home / 1,371,419.45-2,057,264.53-472,742.88

Finding the Fourth Proportional to 1,371,419.45, 2,057,264.53 and 472,742.88

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Solution

The fourth proportional to 1,371,419.45, 2,057,264.53 and 472,742.88 is: 709,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,419.45 : 2,057,264.53 = 472,742.88 : x
  2. Step 2: Convert to fraction form
    1,371,419.45/2,057,264.53 = 472,742.88/x
  3. Step 3: Cross multiply
    1,371,419.45x = 2,057,264.53 × 472,742.88
  4. Step 4: Simplify right side
    1,371,419.45x = 972,557,161,509.56
  5. Step 5: Solve for x
    x = 972,557,161,509.56/1,371,419.45
  6. Step 6: Final answer
    x = 709,160.98

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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.