Home / 1,230,557.60-1,845,836.40-915,629.60

Finding the Fourth Proportional to 1,230,557.60, 1,845,836.40 and 915,629.60

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Solution

The fourth proportional to 1,230,557.60, 1,845,836.40 and 915,629.60 is: 1,373,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,557.60 : 1,845,836.40 = 915,629.60 : x
  2. Step 2: Convert to fraction form
    1,230,557.60/1,845,836.40 = 915,629.60/x
  3. Step 3: Cross multiply
    1,230,557.60x = 1,845,836.40 × 915,629.60
  4. Step 4: Simplify right side
    1,230,557.60x = 1,690,102,444,597.44
  5. Step 5: Solve for x
    x = 1,690,102,444,597.44/1,230,557.60
  6. Step 6: Final answer
    x = 1,373,444.40

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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.