Home / 1,358,956.80-1,875,312.57-747,105.13

Finding the Fourth Proportional to 1,358,956.80, 1,875,312.57 and 747,105.13

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Solution

The fourth proportional to 1,358,956.80, 1,875,312.57 and 747,105.13 is: 1,030,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,956.80 : 1,875,312.57 = 747,105.13 : x
  2. Step 2: Convert to fraction form
    1,358,956.80/1,875,312.57 = 747,105.13/x
  3. Step 3: Cross multiply
    1,358,956.80x = 1,875,312.57 × 747,105.13
  4. Step 4: Simplify right side
    1,358,956.80x = 1,401,055,641,400.48
  5. Step 5: Solve for x
    x = 1,401,055,641,400.48/1,358,956.80
  6. Step 6: Final answer
    x = 1,030,978.79

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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.