Home / 1,087,122.60-1,628,715.60-929,658.60

Finding the Fourth Proportional to 1,087,122.60, 1,628,715.60 and 929,658.60

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Solution

The fourth proportional to 1,087,122.60, 1,628,715.60 and 929,658.60 is: 1,392,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,122.60 : 1,628,715.60 = 929,658.60 : x
  2. Step 2: Convert to fraction form
    1,087,122.60/1,628,715.60 = 929,658.60/x
  3. Step 3: Cross multiply
    1,087,122.60x = 1,628,715.60 × 929,658.60
  4. Step 4: Simplify right side
    1,087,122.60x = 1,514,149,464,494.16
  5. Step 5: Solve for x
    x = 1,514,149,464,494.16/1,087,122.60
  6. Step 6: Final answer
    x = 1,392,804.70

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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.