Home / 1,013,945.38-1,399,398.31-578,360.59

Finding the Fourth Proportional to 1,013,945.38, 1,399,398.31 and 578,360.59

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Solution

The fourth proportional to 1,013,945.38, 1,399,398.31 and 578,360.59 is: 798,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,945.38 : 1,399,398.31 = 578,360.59 : x
  2. Step 2: Convert to fraction form
    1,013,945.38/1,399,398.31 = 578,360.59/x
  3. Step 3: Cross multiply
    1,013,945.38x = 1,399,398.31 × 578,360.59
  4. Step 4: Simplify right side
    1,013,945.38x = 809,356,832,216.60
  5. Step 5: Solve for x
    x = 809,356,832,216.60/1,013,945.38
  6. Step 6: Final answer
    x = 798,225.28

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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.