Home / 1,013,943.38-1,399,395.55-578,358.59

Finding the Fourth Proportional to 1,013,943.38, 1,399,395.55 and 578,358.59

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Solution

The fourth proportional to 1,013,943.38, 1,399,395.55 and 578,358.59 is: 798,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,943.38 : 1,399,395.55 = 578,358.59 : x
  2. Step 2: Convert to fraction form
    1,013,943.38/1,399,395.55 = 578,358.59/x
  3. Step 3: Cross multiply
    1,013,943.38x = 1,399,395.55 × 578,358.59
  4. Step 4: Simplify right side
    1,013,943.38x = 809,352,428,707.40
  5. Step 5: Solve for x
    x = 809,352,428,707.40/1,013,943.38
  6. Step 6: Final answer
    x = 798,222.51

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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.