Home / 1,013,439.90-1,398,564.78-554,595.15

Finding the Fourth Proportional to 1,013,439.90, 1,398,564.78 and 554,595.15

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Solution

The fourth proportional to 1,013,439.90, 1,398,564.78 and 554,595.15 is: 765,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,439.90 : 1,398,564.78 = 554,595.15 : x
  2. Step 2: Convert to fraction form
    1,013,439.90/1,398,564.78 = 554,595.15/x
  3. Step 3: Cross multiply
    1,013,439.90x = 1,398,564.78 × 554,595.15
  4. Step 4: Simplify right side
    1,013,439.90x = 775,637,250,233.30
  5. Step 5: Solve for x
    x = 775,637,250,233.30/1,013,439.90
  6. Step 6: Final answer
    x = 765,351.01

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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.