Home / 1,415,829.40-2,123,744.10-418,557.40

Finding the Fourth Proportional to 1,415,829.40, 2,123,744.10 and 418,557.40

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Solution

The fourth proportional to 1,415,829.40, 2,123,744.10 and 418,557.40 is: 627,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,829.40 : 2,123,744.10 = 418,557.40 : x
  2. Step 2: Convert to fraction form
    1,415,829.40/2,123,744.10 = 418,557.40/x
  3. Step 3: Cross multiply
    1,415,829.40x = 2,123,744.10 × 418,557.40
  4. Step 4: Simplify right side
    1,415,829.40x = 888,908,808,761.34
  5. Step 5: Solve for x
    x = 888,908,808,761.34/1,415,829.40
  6. Step 6: Final answer
    x = 627,836.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.