Home / 1,013,126.35-1,398,125.40-554,231.05

Finding the Fourth Proportional to 1,013,126.35, 1,398,125.40 and 554,231.05

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Solution

The fourth proportional to 1,013,126.35, 1,398,125.40 and 554,231.05 is: 764,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,126.35 : 1,398,125.40 = 554,231.05 : x
  2. Step 2: Convert to fraction form
    1,013,126.35/1,398,125.40 = 554,231.05/x
  3. Step 3: Cross multiply
    1,013,126.35x = 1,398,125.40 × 554,231.05
  4. Step 4: Simplify right side
    1,013,126.35x = 774,884,508,473.67
  5. Step 5: Solve for x
    x = 774,884,508,473.67/1,013,126.35
  6. Step 6: Final answer
    x = 764,844.89

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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.