Home / 1,146,146.81-1,581,690.17-716,678.33

Finding the Fourth Proportional to 1,146,146.81, 1,581,690.17 and 716,678.33

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Solution

The fourth proportional to 1,146,146.81, 1,581,690.17 and 716,678.33 is: 989,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,146.81 : 1,581,690.17 = 716,678.33 : x
  2. Step 2: Convert to fraction form
    1,146,146.81/1,581,690.17 = 716,678.33/x
  3. Step 3: Cross multiply
    1,146,146.81x = 1,581,690.17 × 716,678.33
  4. Step 4: Simplify right side
    1,146,146.81x = 1,133,563,063,496.26
  5. Step 5: Solve for x
    x = 1,133,563,063,496.26/1,146,146.81
  6. Step 6: Final answer
    x = 989,020.83

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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.