Home / 1,124,421.45-1,551,713.85-615,112.89

Finding the Fourth Proportional to 1,124,421.45, 1,551,713.85 and 615,112.89

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Solution

The fourth proportional to 1,124,421.45, 1,551,713.85 and 615,112.89 is: 848,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,421.45 : 1,551,713.85 = 615,112.89 : x
  2. Step 2: Convert to fraction form
    1,124,421.45/1,551,713.85 = 615,112.89/x
  3. Step 3: Cross multiply
    1,124,421.45x = 1,551,713.85 × 615,112.89
  4. Step 4: Simplify right side
    1,124,421.45x = 954,479,190,726.53
  5. Step 5: Solve for x
    x = 954,479,190,726.53/1,124,421.45
  6. Step 6: Final answer
    x = 848,862.49

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Double scale
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1.5x scale

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.