Home / 1,211,159.43-1,671,274.76-745,939.17

Finding the Fourth Proportional to 1,211,159.43, 1,671,274.76 and 745,939.17

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Solution

The fourth proportional to 1,211,159.43, 1,671,274.76 and 745,939.17 is: 1,029,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,159.43 : 1,671,274.76 = 745,939.17 : x
  2. Step 2: Convert to fraction form
    1,211,159.43/1,671,274.76 = 745,939.17/x
  3. Step 3: Cross multiply
    1,211,159.43x = 1,671,274.76 × 745,939.17
  4. Step 4: Simplify right side
    1,211,159.43x = 1,246,669,303,586.65
  5. Step 5: Solve for x
    x = 1,246,669,303,586.65/1,211,159.43
  6. Step 6: Final answer
    x = 1,029,318.91

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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.