Home / 1,345,147.61-1,856,291.51-741,535.61

Finding the Fourth Proportional to 1,345,147.61, 1,856,291.51 and 741,535.61

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Solution

The fourth proportional to 1,345,147.61, 1,856,291.51 and 741,535.61 is: 1,023,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,147.61 : 1,856,291.51 = 741,535.61 : x
  2. Step 2: Convert to fraction form
    1,345,147.61/1,856,291.51 = 741,535.61/x
  3. Step 3: Cross multiply
    1,345,147.61x = 1,856,291.51 × 741,535.61
  4. Step 4: Simplify right side
    1,345,147.61x = 1,376,506,249,778.05
  5. Step 5: Solve for x
    x = 1,376,506,249,778.05/1,345,147.61
  6. Step 6: Final answer
    x = 1,023,312.42

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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.