Home / 1,417,877.80-2,126,087.10-420,476.20

Finding the Fourth Proportional to 1,417,877.80, 2,126,087.10 and 420,476.20

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Solution

The fourth proportional to 1,417,877.80, 2,126,087.10 and 420,476.20 is: 630,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,877.80 : 2,126,087.10 = 420,476.20 : x
  2. Step 2: Convert to fraction form
    1,417,877.80/2,126,087.10 = 420,476.20/x
  3. Step 3: Cross multiply
    1,417,877.80x = 2,126,087.10 × 420,476.20
  4. Step 4: Simplify right side
    1,417,877.80x = 893,969,024,677.02
  5. Step 5: Solve for x
    x = 893,969,024,677.02/1,417,877.80
  6. Step 6: Final answer
    x = 630,497.93

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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.