Home / 1,448,281.40-2,172,422.10-918,152.60

Finding the Fourth Proportional to 1,448,281.40, 2,172,422.10 and 918,152.60

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Solution

The fourth proportional to 1,448,281.40, 2,172,422.10 and 918,152.60 is: 1,377,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,281.40 : 2,172,422.10 = 918,152.60 : x
  2. Step 2: Convert to fraction form
    1,448,281.40/2,172,422.10 = 918,152.60/x
  3. Step 3: Cross multiply
    1,448,281.40x = 2,172,422.10 × 918,152.60
  4. Step 4: Simplify right side
    1,448,281.40x = 1,994,614,999,412.46
  5. Step 5: Solve for x
    x = 1,994,614,999,412.46/1,448,281.40
  6. Step 6: Final answer
    x = 1,377,228.90

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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.