Home / 1,238,187.76-1,708,944.18-803,144.25

Finding the Fourth Proportional to 1,238,187.76, 1,708,944.18 and 803,144.25

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Solution

The fourth proportional to 1,238,187.76, 1,708,944.18 and 803,144.25 is: 1,108,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,187.76 : 1,708,944.18 = 803,144.25 : x
  2. Step 2: Convert to fraction form
    1,238,187.76/1,708,944.18 = 803,144.25/x
  3. Step 3: Cross multiply
    1,238,187.76x = 1,708,944.18 × 803,144.25
  4. Step 4: Simplify right side
    1,238,187.76x = 1,372,528,688,726.17
  5. Step 5: Solve for x
    x = 1,372,528,688,726.17/1,238,187.76
  6. Step 6: Final answer
    x = 1,108,498.03

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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.