Home / 1,650,689.13-2,278,083.08-915,715.93

Finding the Fourth Proportional to 1,650,689.13, 2,278,083.08 and 915,715.93

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Solution

The fourth proportional to 1,650,689.13, 2,278,083.08 and 915,715.93 is: 1,263,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,689.13 : 2,278,083.08 = 915,715.93 : x
  2. Step 2: Convert to fraction form
    1,650,689.13/2,278,083.08 = 915,715.93/x
  3. Step 3: Cross multiply
    1,650,689.13x = 2,278,083.08 × 915,715.93
  4. Step 4: Simplify right side
    1,650,689.13x = 2,086,076,966,219.46
  5. Step 5: Solve for x
    x = 2,086,076,966,219.46/1,650,689.13
  6. Step 6: Final answer
    x = 1,263,761.25

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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.