Home / 1,538,206.74-2,306,073.69-1,057,008.76

Finding the Fourth Proportional to 1,538,206.74, 2,306,073.69 and 1,057,008.76

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Solution

The fourth proportional to 1,538,206.74, 2,306,073.69 and 1,057,008.76 is: 1,584,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,206.74 : 2,306,073.69 = 1,057,008.76 : x
  2. Step 2: Convert to fraction form
    1,538,206.74/2,306,073.69 = 1,057,008.76/x
  3. Step 3: Cross multiply
    1,538,206.74x = 2,306,073.69 × 1,057,008.76
  4. Step 4: Simplify right side
    1,538,206.74x = 2,437,540,095,769.17
  5. Step 5: Solve for x
    x = 2,437,540,095,769.17/1,538,206.74
  6. Step 6: Final answer
    x = 1,584,663.51

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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.