Home / 1,161,045.90-1,602,264.81-644,847.61

Finding the Fourth Proportional to 1,161,045.90, 1,602,264.81 and 644,847.61

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Solution

The fourth proportional to 1,161,045.90, 1,602,264.81 and 644,847.61 is: 889,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,045.90 : 1,602,264.81 = 644,847.61 : x
  2. Step 2: Convert to fraction form
    1,161,045.90/1,602,264.81 = 644,847.61/x
  3. Step 3: Cross multiply
    1,161,045.90x = 1,602,264.81 × 644,847.61
  4. Step 4: Simplify right side
    1,161,045.90x = 1,033,216,625,304.28
  5. Step 5: Solve for x
    x = 1,033,216,625,304.28/1,161,045.90
  6. Step 6: Final answer
    x = 889,901.62

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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.