Home / 1,421,459.04-2,132,557.84-424,187.04

Finding the Fourth Proportional to 1,421,459.04, 2,132,557.84 and 424,187.04

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Solution

The fourth proportional to 1,421,459.04, 2,132,557.84 and 424,187.04 is: 636,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,459.04 : 2,132,557.84 = 424,187.04 : x
  2. Step 2: Convert to fraction form
    1,421,459.04/2,132,557.84 = 424,187.04/x
  3. Step 3: Cross multiply
    1,421,459.04x = 2,132,557.84 × 424,187.04
  4. Step 4: Simplify right side
    1,421,459.04x = 904,603,397,778.39
  5. Step 5: Solve for x
    x = 904,603,397,778.39/1,421,459.04
  6. Step 6: Final answer
    x = 636,390.76

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Double scale
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1.5x scale

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.