Home / 1,031,840.40-1,546,448.40-918,991.20

Finding the Fourth Proportional to 1,031,840.40, 1,546,448.40 and 918,991.20

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Solution

The fourth proportional to 1,031,840.40, 1,546,448.40 and 918,991.20 is: 1,377,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,840.40 : 1,546,448.40 = 918,991.20 : x
  2. Step 2: Convert to fraction form
    1,031,840.40/1,546,448.40 = 918,991.20/x
  3. Step 3: Cross multiply
    1,031,840.40x = 1,546,448.40 × 918,991.20
  4. Step 4: Simplify right side
    1,031,840.40x = 1,421,172,470,854.08
  5. Step 5: Solve for x
    x = 1,421,172,470,854.08/1,031,840.40
  6. Step 6: Final answer
    x = 1,377,318.11

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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.