Home / 1,221,335.60-1,832,003.40-906,407.60

Finding the Fourth Proportional to 1,221,335.60, 1,832,003.40 and 906,407.60

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Solution

The fourth proportional to 1,221,335.60, 1,832,003.40 and 906,407.60 is: 1,359,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,335.60 : 1,832,003.40 = 906,407.60 : x
  2. Step 2: Convert to fraction form
    1,221,335.60/1,832,003.40 = 906,407.60/x
  3. Step 3: Cross multiply
    1,221,335.60x = 1,832,003.40 × 906,407.60
  4. Step 4: Simplify right side
    1,221,335.60x = 1,660,541,804,985.84
  5. Step 5: Solve for x
    x = 1,660,541,804,985.84/1,221,335.60
  6. Step 6: Final answer
    x = 1,359,611.40

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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.