Home / 1,266,030.81-1,899,046.22-424,580.13

Finding the Fourth Proportional to 1,266,030.81, 1,899,046.22 and 424,580.13

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Solution

The fourth proportional to 1,266,030.81, 1,899,046.22 and 424,580.13 is: 636,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,030.81 : 1,899,046.22 = 424,580.13 : x
  2. Step 2: Convert to fraction form
    1,266,030.81/1,899,046.22 = 424,580.13/x
  3. Step 3: Cross multiply
    1,266,030.81x = 1,899,046.22 × 424,580.13
  4. Step 4: Simplify right side
    1,266,030.81x = 806,297,290,963.61
  5. Step 5: Solve for x
    x = 806,297,290,963.61/1,266,030.81
  6. Step 6: Final answer
    x = 636,870.20

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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.