Home / 1,519,319.81-2,275,123.02-911,726.12

Finding the Fourth Proportional to 1,519,319.81, 2,275,123.02 and 911,726.12

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Solution

The fourth proportional to 1,519,319.81, 2,275,123.02 and 911,726.12 is: 1,365,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,319.81 : 2,275,123.02 = 911,726.12 : x
  2. Step 2: Convert to fraction form
    1,519,319.81/2,275,123.02 = 911,726.12/x
  3. Step 3: Cross multiply
    1,519,319.81x = 2,275,123.02 × 911,726.12
  4. Step 4: Simplify right side
    1,519,319.81x = 2,074,289,083,547.28
  5. Step 5: Solve for x
    x = 2,074,289,083,547.28/1,519,319.81
  6. Step 6: Final answer
    x = 1,365,274.82

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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.