Home / 1,266,953.28-1,748,423.68-723,078.24

Finding the Fourth Proportional to 1,266,953.28, 1,748,423.68 and 723,078.24

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Solution

The fourth proportional to 1,266,953.28, 1,748,423.68 and 723,078.24 is: 997,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,953.28 : 1,748,423.68 = 723,078.24 : x
  2. Step 2: Convert to fraction form
    1,266,953.28/1,748,423.68 = 723,078.24/x
  3. Step 3: Cross multiply
    1,266,953.28x = 1,748,423.68 × 723,078.24
  4. Step 4: Simplify right side
    1,266,953.28x = 1,264,247,117,308.72
  5. Step 5: Solve for x
    x = 1,264,247,117,308.72/1,266,953.28
  6. Step 6: Final answer
    x = 997,864.04

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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.