Home / 1,124,332.76-1,686,389.78-618,727.52

Finding the Fourth Proportional to 1,124,332.76, 1,686,389.78 and 618,727.52

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Solution

The fourth proportional to 1,124,332.76, 1,686,389.78 and 618,727.52 is: 928,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,332.76 : 1,686,389.78 = 618,727.52 : x
  2. Step 2: Convert to fraction form
    1,124,332.76/1,686,389.78 = 618,727.52/x
  3. Step 3: Cross multiply
    1,124,332.76x = 1,686,389.78 × 618,727.52
  4. Step 4: Simplify right side
    1,124,332.76x = 1,043,415,766,332.75
  5. Step 5: Solve for x
    x = 1,043,415,766,332.75/1,124,332.76
  6. Step 6: Final answer
    x = 928,031.10

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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.