Home / 1,376,240.14-2,064,360.12-429,691.96

Finding the Fourth Proportional to 1,376,240.14, 2,064,360.12 and 429,691.96

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Solution

The fourth proportional to 1,376,240.14, 2,064,360.12 and 429,691.96 is: 644,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,240.14 : 2,064,360.12 = 429,691.96 : x
  2. Step 2: Convert to fraction form
    1,376,240.14/2,064,360.12 = 429,691.96/x
  3. Step 3: Cross multiply
    1,376,240.14x = 2,064,360.12 × 429,691.96
  4. Step 4: Simplify right side
    1,376,240.14x = 887,038,946,108.64
  5. Step 5: Solve for x
    x = 887,038,946,108.64/1,376,240.14
  6. Step 6: Final answer
    x = 644,537.91

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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.