Home / 1,121,131.29-1,547,160.76-611,833.67

Finding the Fourth Proportional to 1,121,131.29, 1,547,160.76 and 611,833.67

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Solution

The fourth proportional to 1,121,131.29, 1,547,160.76 and 611,833.67 is: 844,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,131.29 : 1,547,160.76 = 611,833.67 : x
  2. Step 2: Convert to fraction form
    1,121,131.29/1,547,160.76 = 611,833.67/x
  3. Step 3: Cross multiply
    1,121,131.29x = 1,547,160.76 × 611,833.67
  4. Step 4: Simplify right side
    1,121,131.29x = 946,605,045,870.79
  5. Step 5: Solve for x
    x = 946,605,045,870.79/1,121,131.29
  6. Step 6: Final answer
    x = 844,330.24

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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.