Home / 1,358,972.32-2,038,754.68-412,417.12

Finding the Fourth Proportional to 1,358,972.32, 2,038,754.68 and 412,417.12

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Solution

The fourth proportional to 1,358,972.32, 2,038,754.68 and 412,417.12 is: 618,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,972.32 : 2,038,754.68 = 412,417.12 : x
  2. Step 2: Convert to fraction form
    1,358,972.32/2,038,754.68 = 412,417.12/x
  3. Step 3: Cross multiply
    1,358,972.32x = 2,038,754.68 × 412,417.12
  4. Step 4: Simplify right side
    1,358,972.32x = 840,817,333,512.12
  5. Step 5: Solve for x
    x = 840,817,333,512.12/1,358,972.32
  6. Step 6: Final answer
    x = 618,715.57

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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.