Home / 1,376,217.81-2,064,381.39-429,588.63

Finding the Fourth Proportional to 1,376,217.81, 2,064,381.39 and 429,588.63

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Solution

The fourth proportional to 1,376,217.81, 2,064,381.39 and 429,588.63 is: 644,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,217.81 : 2,064,381.39 = 429,588.63 : x
  2. Step 2: Convert to fraction form
    1,376,217.81/2,064,381.39 = 429,588.63/x
  3. Step 3: Cross multiply
    1,376,217.81x = 2,064,381.39 × 429,588.63
  4. Step 4: Simplify right side
    1,376,217.81x = 886,834,773,127.60
  5. Step 5: Solve for x
    x = 886,834,773,127.60/1,376,217.81
  6. Step 6: Final answer
    x = 644,400.01

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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.