Home / 1,787,407.47-2,680,266.51-649,376.10

Finding the Fourth Proportional to 1,787,407.47, 2,680,266.51 and 649,376.10

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Solution

The fourth proportional to 1,787,407.47, 2,680,266.51 and 649,376.10 is: 973,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,407.47 : 2,680,266.51 = 649,376.10 : x
  2. Step 2: Convert to fraction form
    1,787,407.47/2,680,266.51 = 649,376.10/x
  3. Step 3: Cross multiply
    1,787,407.47x = 2,680,266.51 × 649,376.10
  4. Step 4: Simplify right side
    1,787,407.47x = 1,740,501,013,224.41
  5. Step 5: Solve for x
    x = 1,740,501,013,224.41/1,787,407.47
  6. Step 6: Final answer
    x = 973,757.27

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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.