Home / 1,377,689.80-2,062,848.30-876,339.40

Finding the Fourth Proportional to 1,377,689.80, 2,062,848.30 and 876,339.40

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Solution

The fourth proportional to 1,377,689.80, 2,062,848.30 and 876,339.40 is: 1,312,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,689.80 : 2,062,848.30 = 876,339.40 : x
  2. Step 2: Convert to fraction form
    1,377,689.80/2,062,848.30 = 876,339.40/x
  3. Step 3: Cross multiply
    1,377,689.80x = 2,062,848.30 × 876,339.40
  4. Step 4: Simplify right side
    1,377,689.80x = 1,807,755,241,513.02
  5. Step 5: Solve for x
    x = 1,807,755,241,513.02/1,377,689.80
  6. Step 6: Final answer
    x = 1,312,164.21

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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.