Home / 1,345,160.18-1,856,335.41-741,569.78

Finding the Fourth Proportional to 1,345,160.18, 1,856,335.41 and 741,569.78

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Solution

The fourth proportional to 1,345,160.18, 1,856,335.41 and 741,569.78 is: 1,023,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,160.18 : 1,856,335.41 = 741,569.78 : x
  2. Step 2: Convert to fraction form
    1,345,160.18/1,856,335.41 = 741,569.78/x
  3. Step 3: Cross multiply
    1,345,160.18x = 1,856,335.41 × 741,569.78
  4. Step 4: Simplify right side
    1,345,160.18x = 1,376,602,241,599.91
  5. Step 5: Solve for x
    x = 1,376,602,241,599.91/1,345,160.18
  6. Step 6: Final answer
    x = 1,023,374.21

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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.