Home / 1,340,462.60-1,849,851.53-728,614.98

Finding the Fourth Proportional to 1,340,462.60, 1,849,851.53 and 728,614.98

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Solution

The fourth proportional to 1,340,462.60, 1,849,851.53 and 728,614.98 is: 1,005,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,462.60 : 1,849,851.53 = 728,614.98 : x
  2. Step 2: Convert to fraction form
    1,340,462.60/1,849,851.53 = 728,614.98/x
  3. Step 3: Cross multiply
    1,340,462.60x = 1,849,851.53 × 728,614.98
  4. Step 4: Simplify right side
    1,340,462.60x = 1,347,829,540,158.55
  5. Step 5: Solve for x
    x = 1,347,829,540,158.55/1,340,462.60
  6. Step 6: Final answer
    x = 1,005,495.82

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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.