Home / 1,029,787.43-1,421,190.57-571,045.85

Finding the Fourth Proportional to 1,029,787.43, 1,421,190.57 and 571,045.85

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Solution

The fourth proportional to 1,029,787.43, 1,421,190.57 and 571,045.85 is: 788,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,787.43 : 1,421,190.57 = 571,045.85 : x
  2. Step 2: Convert to fraction form
    1,029,787.43/1,421,190.57 = 571,045.85/x
  3. Step 3: Cross multiply
    1,029,787.43x = 1,421,190.57 × 571,045.85
  4. Step 4: Simplify right side
    1,029,787.43x = 811,564,977,057.64
  5. Step 5: Solve for x
    x = 811,564,977,057.64/1,029,787.43
  6. Step 6: Final answer
    x = 788,089.81

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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.