Home / 1,148,079.60-1,721,186.28-400,650.48

Finding the Fourth Proportional to 1,148,079.60, 1,721,186.28 and 400,650.48

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Solution

The fourth proportional to 1,148,079.60, 1,721,186.28 and 400,650.48 is: 600,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,079.60 : 1,721,186.28 = 400,650.48 : x
  2. Step 2: Convert to fraction form
    1,148,079.60/1,721,186.28 = 400,650.48/x
  3. Step 3: Cross multiply
    1,148,079.60x = 1,721,186.28 × 400,650.48
  4. Step 4: Simplify right side
    1,148,079.60x = 689,594,109,251.41
  5. Step 5: Solve for x
    x = 689,594,109,251.41/1,148,079.60
  6. Step 6: Final answer
    x = 600,650.08

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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.