Home / 1,121,875.64-1,548,182.22-612,574.40

Finding the Fourth Proportional to 1,121,875.64, 1,548,182.22 and 612,574.40

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Solution

The fourth proportional to 1,121,875.64, 1,548,182.22 and 612,574.40 is: 845,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,875.64 : 1,548,182.22 = 612,574.40 : x
  2. Step 2: Convert to fraction form
    1,121,875.64/1,548,182.22 = 612,574.40/x
  3. Step 3: Cross multiply
    1,121,875.64x = 1,548,182.22 × 612,574.40
  4. Step 4: Simplify right side
    1,121,875.64x = 948,376,794,507.17
  5. Step 5: Solve for x
    x = 948,376,794,507.17/1,121,875.64
  6. Step 6: Final answer
    x = 845,349.31

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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.