Home / 1,215,337.02-1,677,144.60-671,495.46

Finding the Fourth Proportional to 1,215,337.02, 1,677,144.60 and 671,495.46

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Solution

The fourth proportional to 1,215,337.02, 1,677,144.60 and 671,495.46 is: 926,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,337.02 : 1,677,144.60 = 671,495.46 : x
  2. Step 2: Convert to fraction form
    1,215,337.02/1,677,144.60 = 671,495.46/x
  3. Step 3: Cross multiply
    1,215,337.02x = 1,677,144.60 × 671,495.46
  4. Step 4: Simplify right side
    1,215,337.02x = 1,126,194,984,663.52
  5. Step 5: Solve for x
    x = 1,126,194,984,663.52/1,215,337.02
  6. Step 6: Final answer
    x = 926,652.42

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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.