Home / 1,216,502.56-1,678,627.02-672,564.88

Finding the Fourth Proportional to 1,216,502.56, 1,678,627.02 and 672,564.88

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Solution

The fourth proportional to 1,216,502.56, 1,678,627.02 and 672,564.88 is: 928,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,502.56 : 1,678,627.02 = 672,564.88 : x
  2. Step 2: Convert to fraction form
    1,216,502.56/1,678,627.02 = 672,564.88/x
  3. Step 3: Cross multiply
    1,216,502.56x = 1,678,627.02 × 672,564.88
  4. Step 4: Simplify right side
    1,216,502.56x = 1,128,985,580,271.06
  5. Step 5: Solve for x
    x = 1,128,985,580,271.06/1,216,502.56
  6. Step 6: Final answer
    x = 928,058.53

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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.