Home / 1,376,019.60-2,064,029.40-429,267.30

Finding the Fourth Proportional to 1,376,019.60, 2,064,029.40 and 429,267.30

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Solution

The fourth proportional to 1,376,019.60, 2,064,029.40 and 429,267.30 is: 643,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,019.60 : 2,064,029.40 = 429,267.30 : x
  2. Step 2: Convert to fraction form
    1,376,019.60/2,064,029.40 = 429,267.30/x
  3. Step 3: Cross multiply
    1,376,019.60x = 2,064,029.40 × 429,267.30
  4. Step 4: Simplify right side
    1,376,019.60x = 886,020,327,658.62
  5. Step 5: Solve for x
    x = 886,020,327,658.62/1,376,019.60
  6. Step 6: Final answer
    x = 643,900.95

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Double scale
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Similar ratio
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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.