Home / 1,289,272.02-1,933,925.85-342,637.98

Finding the Fourth Proportional to 1,289,272.02, 1,933,925.85 and 342,637.98

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Solution

The fourth proportional to 1,289,272.02, 1,933,925.85 and 342,637.98 is: 513,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,272.02 : 1,933,925.85 = 342,637.98 : x
  2. Step 2: Convert to fraction form
    1,289,272.02/1,933,925.85 = 342,637.98/x
  3. Step 3: Cross multiply
    1,289,272.02x = 1,933,925.85 × 342,637.98
  4. Step 4: Simplify right side
    1,289,272.02x = 662,636,446,713.78
  5. Step 5: Solve for x
    x = 662,636,446,713.78/1,289,272.02
  6. Step 6: Final answer
    x = 513,961.71

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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.