Home / 1,249,264.86-1,874,643.60-1,147,625.85

Finding the Fourth Proportional to 1,249,264.86, 1,874,643.60 and 1,147,625.85

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Solution

The fourth proportional to 1,249,264.86, 1,874,643.60 and 1,147,625.85 is: 1,722,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,264.86 : 1,874,643.60 = 1,147,625.85 : x
  2. Step 2: Convert to fraction form
    1,249,264.86/1,874,643.60 = 1,147,625.85/x
  3. Step 3: Cross multiply
    1,249,264.86x = 1,874,643.60 × 1,147,625.85
  4. Step 4: Simplify right side
    1,249,264.86x = 2,151,389,454,897.06
  5. Step 5: Solve for x
    x = 2,151,389,454,897.06/1,249,264.86
  6. Step 6: Final answer
    x = 1,722,124.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.