Home / 1,266,065.36-1,898,488.92-424,028.24

Finding the Fourth Proportional to 1,266,065.36, 1,898,488.92 and 424,028.24

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Solution

The fourth proportional to 1,266,065.36, 1,898,488.92 and 424,028.24 is: 635,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,065.36 : 1,898,488.92 = 424,028.24 : x
  2. Step 2: Convert to fraction form
    1,266,065.36/1,898,488.92 = 424,028.24/x
  3. Step 3: Cross multiply
    1,266,065.36x = 1,898,488.92 × 424,028.24
  4. Step 4: Simplify right side
    1,266,065.36x = 805,012,915,407.10
  5. Step 5: Solve for x
    x = 805,012,915,407.10/1,266,065.36
  6. Step 6: Final answer
    x = 635,838.35

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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.