Home / 1,813,215.60-2,719,823.40-747,903.60

Finding the Fourth Proportional to 1,813,215.60, 2,719,823.40 and 747,903.60

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Solution

The fourth proportional to 1,813,215.60, 2,719,823.40 and 747,903.60 is: 1,121,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,215.60 : 2,719,823.40 = 747,903.60 : x
  2. Step 2: Convert to fraction form
    1,813,215.60/2,719,823.40 = 747,903.60/x
  3. Step 3: Cross multiply
    1,813,215.60x = 2,719,823.40 × 747,903.60
  4. Step 4: Simplify right side
    1,813,215.60x = 2,034,165,712,224.24
  5. Step 5: Solve for x
    x = 2,034,165,712,224.24/1,813,215.60
  6. Step 6: Final answer
    x = 1,121,855.40

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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.