Home / 1,145,788.12-1,718,725.38-435,683.80

Finding the Fourth Proportional to 1,145,788.12, 1,718,725.38 and 435,683.80

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Solution

The fourth proportional to 1,145,788.12, 1,718,725.38 and 435,683.80 is: 653,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,788.12 : 1,718,725.38 = 435,683.80 : x
  2. Step 2: Convert to fraction form
    1,145,788.12/1,718,725.38 = 435,683.80/x
  3. Step 3: Cross multiply
    1,145,788.12x = 1,718,725.38 × 435,683.80
  4. Step 4: Simplify right side
    1,145,788.12x = 748,820,804,714.84
  5. Step 5: Solve for x
    x = 748,820,804,714.84/1,145,788.12
  6. Step 6: Final answer
    x = 653,542.13

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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.