Home / 1,779,789.60-2,669,425.20-517,485.60

Finding the Fourth Proportional to 1,779,789.60, 2,669,425.20 and 517,485.60

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Solution

The fourth proportional to 1,779,789.60, 2,669,425.20 and 517,485.60 is: 776,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,789.60 : 2,669,425.20 = 517,485.60 : x
  2. Step 2: Convert to fraction form
    1,779,789.60/2,669,425.20 = 517,485.60/x
  3. Step 3: Cross multiply
    1,779,789.60x = 2,669,425.20 × 517,485.60
  4. Step 4: Simplify right side
    1,779,789.60x = 1,381,389,101,277.12
  5. Step 5: Solve for x
    x = 1,381,389,101,277.12/1,779,789.60
  6. Step 6: Final answer
    x = 776,153.04

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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.