Home / 1,426,342.38-2,139,612.02-415,472.74

Finding the Fourth Proportional to 1,426,342.38, 2,139,612.02 and 415,472.74

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Solution

The fourth proportional to 1,426,342.38, 2,139,612.02 and 415,472.74 is: 623,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,342.38 : 2,139,612.02 = 415,472.74 : x
  2. Step 2: Convert to fraction form
    1,426,342.38/2,139,612.02 = 415,472.74/x
  3. Step 3: Cross multiply
    1,426,342.38x = 2,139,612.02 × 415,472.74
  4. Step 4: Simplify right side
    1,426,342.38x = 888,950,468,486.34
  5. Step 5: Solve for x
    x = 888,950,468,486.34/1,426,342.38
  6. Step 6: Final answer
    x = 623,237.79

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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.