Home / 1,013,268.50-1,398,308.89-554,384.92

Finding the Fourth Proportional to 1,013,268.50, 1,398,308.89 and 554,384.92

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Solution

The fourth proportional to 1,013,268.50, 1,398,308.89 and 554,384.92 is: 765,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,268.50 : 1,398,308.89 = 554,384.92 : x
  2. Step 2: Convert to fraction form
    1,013,268.50/1,398,308.89 = 554,384.92/x
  3. Step 3: Cross multiply
    1,013,268.50x = 1,398,308.89 × 554,384.92
  4. Step 4: Simplify right side
    1,013,268.50x = 775,201,357,371.93
  5. Step 5: Solve for x
    x = 775,201,357,371.93/1,013,268.50
  6. Step 6: Final answer
    x = 765,050.29

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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.