Home / 1,225,535.22-1,838,352.24-426,897.54

Finding the Fourth Proportional to 1,225,535.22, 1,838,352.24 and 426,897.54

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Solution

The fourth proportional to 1,225,535.22, 1,838,352.24 and 426,897.54 is: 640,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,535.22 : 1,838,352.24 = 426,897.54 : x
  2. Step 2: Convert to fraction form
    1,225,535.22/1,838,352.24 = 426,897.54/x
  3. Step 3: Cross multiply
    1,225,535.22x = 1,838,352.24 × 426,897.54
  4. Step 4: Simplify right side
    1,225,535.22x = 784,788,048,909.49
  5. Step 5: Solve for x
    x = 784,788,048,909.49/1,225,535.22
  6. Step 6: Final answer
    x = 640,363.52

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1.5x scale

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.