Home / 1,376,339.53-2,064,508.98-429,791.35

Finding the Fourth Proportional to 1,376,339.53, 2,064,508.98 and 429,791.35

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Solution

The fourth proportional to 1,376,339.53, 2,064,508.98 and 429,791.35 is: 644,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,339.53 : 2,064,508.98 = 429,791.35 : x
  2. Step 2: Convert to fraction form
    1,376,339.53/2,064,508.98 = 429,791.35/x
  3. Step 3: Cross multiply
    1,376,339.53x = 2,064,508.98 × 429,791.35
  4. Step 4: Simplify right side
    1,376,339.53x = 887,308,101,601.32
  5. Step 5: Solve for x
    x = 887,308,101,601.32/1,376,339.53
  6. Step 6: Final answer
    x = 644,686.93

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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.