Home / 1,266,029.81-1,899,044.72-424,579.13

Finding the Fourth Proportional to 1,266,029.81, 1,899,044.72 and 424,579.13

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Solution

The fourth proportional to 1,266,029.81, 1,899,044.72 and 424,579.13 is: 636,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,029.81 : 1,899,044.72 = 424,579.13 : x
  2. Step 2: Convert to fraction form
    1,266,029.81/1,899,044.72 = 424,579.13/x
  3. Step 3: Cross multiply
    1,266,029.81x = 1,899,044.72 × 424,579.13
  4. Step 4: Simplify right side
    1,266,029.81x = 806,294,752,925.80
  5. Step 5: Solve for x
    x = 806,294,752,925.80/1,266,029.81
  6. Step 6: Final answer
    x = 636,868.70

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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.