Home / 1,657,648.60-2,485,014.90-1,123,437.40

Finding the Fourth Proportional to 1,657,648.60, 2,485,014.90 and 1,123,437.40

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Solution

The fourth proportional to 1,657,648.60, 2,485,014.90 and 1,123,437.40 is: 1,684,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,648.60 : 2,485,014.90 = 1,123,437.40 : x
  2. Step 2: Convert to fraction form
    1,657,648.60/2,485,014.90 = 1,123,437.40/x
  3. Step 3: Cross multiply
    1,657,648.60x = 2,485,014.90 × 1,123,437.40
  4. Step 4: Simplify right side
    1,657,648.60x = 2,791,758,678,217.26
  5. Step 5: Solve for x
    x = 2,791,758,678,217.26/1,657,648.60
  6. Step 6: Final answer
    x = 1,684,167.97

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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.