Home / 1,013,848.68-1,399,155.36-561,139.56

Finding the Fourth Proportional to 1,013,848.68, 1,399,155.36 and 561,139.56

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Solution

The fourth proportional to 1,013,848.68, 1,399,155.36 and 561,139.56 is: 774,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,848.68 : 1,399,155.36 = 561,139.56 : x
  2. Step 2: Convert to fraction form
    1,013,848.68/1,399,155.36 = 561,139.56/x
  3. Step 3: Cross multiply
    1,013,848.68x = 1,399,155.36 × 561,139.56
  4. Step 4: Simplify right side
    1,013,848.68x = 785,121,423,082.04
  5. Step 5: Solve for x
    x = 785,121,423,082.04/1,013,848.68
  6. Step 6: Final answer
    x = 774,397.05

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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.