Home / 1,022,386.65-1,532,541.01-423,673.53

Finding the Fourth Proportional to 1,022,386.65, 1,532,541.01 and 423,673.53

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Solution

The fourth proportional to 1,022,386.65, 1,532,541.01 and 423,673.53 is: 635,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,386.65 : 1,532,541.01 = 423,673.53 : x
  2. Step 2: Convert to fraction form
    1,022,386.65/1,532,541.01 = 423,673.53/x
  3. Step 3: Cross multiply
    1,022,386.65x = 1,532,541.01 × 423,673.53
  4. Step 4: Simplify right side
    1,022,386.65x = 649,297,059,576.47
  5. Step 5: Solve for x
    x = 649,297,059,576.47/1,022,386.65
  6. Step 6: Final answer
    x = 635,079.75

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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.