Home / 1,193,302.65-1,787,865.38-812,988.81

Finding the Fourth Proportional to 1,193,302.65, 1,787,865.38 and 812,988.81

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Solution

The fourth proportional to 1,193,302.65, 1,787,865.38 and 812,988.81 is: 1,218,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,302.65 : 1,787,865.38 = 812,988.81 : x
  2. Step 2: Convert to fraction form
    1,193,302.65/1,787,865.38 = 812,988.81/x
  3. Step 3: Cross multiply
    1,193,302.65x = 1,787,865.38 × 812,988.81
  4. Step 4: Simplify right side
    1,193,302.65x = 1,453,514,554,228.53
  5. Step 5: Solve for x
    x = 1,453,514,554,228.53/1,193,302.65
  6. Step 6: Final answer
    x = 1,218,060.28

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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.