Home / 1,352,211.65-1,865,981.05-740,247.14

Finding the Fourth Proportional to 1,352,211.65, 1,865,981.05 and 740,247.14

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Solution

The fourth proportional to 1,352,211.65, 1,865,981.05 and 740,247.14 is: 1,021,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,211.65 : 1,865,981.05 = 740,247.14 : x
  2. Step 2: Convert to fraction form
    1,352,211.65/1,865,981.05 = 740,247.14/x
  3. Step 3: Cross multiply
    1,352,211.65x = 1,865,981.05 × 740,247.14
  4. Step 4: Simplify right side
    1,352,211.65x = 1,381,287,124,376.17
  5. Step 5: Solve for x
    x = 1,381,287,124,376.17/1,352,211.65
  6. Step 6: Final answer
    x = 1,021,502.16

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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.