Home / 1,099,288.60-1,646,600.10-912,664.60

Finding the Fourth Proportional to 1,099,288.60, 1,646,600.10 and 912,664.60

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Solution

The fourth proportional to 1,099,288.60, 1,646,600.10 and 912,664.60 is: 1,367,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,288.60 : 1,646,600.10 = 912,664.60 : x
  2. Step 2: Convert to fraction form
    1,099,288.60/1,646,600.10 = 912,664.60/x
  3. Step 3: Cross multiply
    1,099,288.60x = 1,646,600.10 × 912,664.60
  4. Step 4: Simplify right side
    1,099,288.60x = 1,502,793,621,626.46
  5. Step 5: Solve for x
    x = 1,502,793,621,626.46/1,099,288.60
  6. Step 6: Final answer
    x = 1,367,060.13

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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.