Home / 1,225,534.98-1,838,351.91-426,897.30

Finding the Fourth Proportional to 1,225,534.98, 1,838,351.91 and 426,897.30

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Solution

The fourth proportional to 1,225,534.98, 1,838,351.91 and 426,897.30 is: 640,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,534.98 : 1,838,351.91 = 426,897.30 : x
  2. Step 2: Convert to fraction form
    1,225,534.98/1,838,351.91 = 426,897.30/x
  3. Step 3: Cross multiply
    1,225,534.98x = 1,838,351.91 × 426,897.30
  4. Step 4: Simplify right side
    1,225,534.98x = 784,787,466,828.84
  5. Step 5: Solve for x
    x = 784,787,466,828.84/1,225,534.98
  6. Step 6: Final answer
    x = 640,363.17

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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.