Home / 1,268,726.65-1,750,681.47-724,897.66

Finding the Fourth Proportional to 1,268,726.65, 1,750,681.47 and 724,897.66

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Solution

The fourth proportional to 1,268,726.65, 1,750,681.47 and 724,897.66 is: 1,000,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,726.65 : 1,750,681.47 = 724,897.66 : x
  2. Step 2: Convert to fraction form
    1,268,726.65/1,750,681.47 = 724,897.66/x
  3. Step 3: Cross multiply
    1,268,726.65x = 1,750,681.47 × 724,897.66
  4. Step 4: Simplify right side
    1,268,726.65x = 1,269,064,901,008.36
  5. Step 5: Solve for x
    x = 1,269,064,901,008.36/1,268,726.65
  6. Step 6: Final answer
    x = 1,000,266.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.