Home / 1,077,085.49-1,486,411.15-618,283.87

Finding the Fourth Proportional to 1,077,085.49, 1,486,411.15 and 618,283.87

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Solution

The fourth proportional to 1,077,085.49, 1,486,411.15 and 618,283.87 is: 853,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,085.49 : 1,486,411.15 = 618,283.87 : x
  2. Step 2: Convert to fraction form
    1,077,085.49/1,486,411.15 = 618,283.87/x
  3. Step 3: Cross multiply
    1,077,085.49x = 1,486,411.15 × 618,283.87
  4. Step 4: Simplify right side
    1,077,085.49x = 919,024,040,752.84
  5. Step 5: Solve for x
    x = 919,024,040,752.84/1,077,085.49
  6. Step 6: Final answer
    x = 853,250.79

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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.