Home / 1,376,253.16-2,064,379.74-429,704.98

Finding the Fourth Proportional to 1,376,253.16, 2,064,379.74 and 429,704.98

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Solution

The fourth proportional to 1,376,253.16, 2,064,379.74 and 429,704.98 is: 644,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,253.16 : 2,064,379.74 = 429,704.98 : x
  2. Step 2: Convert to fraction form
    1,376,253.16/2,064,379.74 = 429,704.98/x
  3. Step 3: Cross multiply
    1,376,253.16x = 2,064,379.74 × 429,704.98
  4. Step 4: Simplify right side
    1,376,253.16x = 887,074,248,116.76
  5. Step 5: Solve for x
    x = 887,074,248,116.76/1,376,253.16
  6. Step 6: Final answer
    x = 644,557.47

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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.