Home / 1,125,148.56-1,552,719.60-615,840

Finding the Fourth Proportional to 1,125,148.56, 1,552,719.60 and 615,840

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Solution

The fourth proportional to 1,125,148.56, 1,552,719.60 and 615,840 is: 849,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,148.56 : 1,552,719.60 = 615,840 : x
  2. Step 2: Convert to fraction form
    1,125,148.56/1,552,719.60 = 615,840/x
  3. Step 3: Cross multiply
    1,125,148.56x = 1,552,719.60 × 615,840
  4. Step 4: Simplify right side
    1,125,148.56x = 956,226,838,464
  5. Step 5: Solve for x
    x = 956,226,838,464/1,125,148.56
  6. Step 6: Final answer
    x = 849,867.18

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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.