Home / 1,225,675.59-1,838,521.55-426,972.25

Finding the Fourth Proportional to 1,225,675.59, 1,838,521.55 and 426,972.25

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Solution

The fourth proportional to 1,225,675.59, 1,838,521.55 and 426,972.25 is: 640,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,675.59 : 1,838,521.55 = 426,972.25 : x
  2. Step 2: Convert to fraction form
    1,225,675.59/1,838,521.55 = 426,972.25/x
  3. Step 3: Cross multiply
    1,225,675.59x = 1,838,521.55 × 426,972.25
  4. Step 4: Simplify right side
    1,225,675.59x = 784,997,682,876.99
  5. Step 5: Solve for x
    x = 784,997,682,876.99/1,225,675.59
  6. Step 6: Final answer
    x = 640,461.22

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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.