Home / 1,126,309.69-1,679,417.88-1,001,125.81

Finding the Fourth Proportional to 1,126,309.69, 1,679,417.88 and 1,001,125.81

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Solution

The fourth proportional to 1,126,309.69, 1,679,417.88 and 1,001,125.81 is: 1,492,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,309.69 : 1,679,417.88 = 1,001,125.81 : x
  2. Step 2: Convert to fraction form
    1,126,309.69/1,679,417.88 = 1,001,125.81/x
  3. Step 3: Cross multiply
    1,126,309.69x = 1,679,417.88 × 1,001,125.81
  4. Step 4: Simplify right side
    1,126,309.69x = 1,681,308,585,443.48
  5. Step 5: Solve for x
    x = 1,681,308,585,443.48/1,126,309.69
  6. Step 6: Final answer
    x = 1,492,758.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.