Home / 1,337,399.28-1,845,574.74-813,913.38

Finding the Fourth Proportional to 1,337,399.28, 1,845,574.74 and 813,913.38

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Solution

The fourth proportional to 1,337,399.28, 1,845,574.74 and 813,913.38 is: 1,123,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,399.28 : 1,845,574.74 = 813,913.38 : x
  2. Step 2: Convert to fraction form
    1,337,399.28/1,845,574.74 = 813,913.38/x
  3. Step 3: Cross multiply
    1,337,399.28x = 1,845,574.74 × 813,913.38
  4. Step 4: Simplify right side
    1,337,399.28x = 1,502,137,974,676.02
  5. Step 5: Solve for x
    x = 1,502,137,974,676.02/1,337,399.28
  6. Step 6: Final answer
    x = 1,123,178.39

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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.