Home / 867,937.70-1,301,906.55-657,985.70

Finding the Fourth Proportional to 867,937.70, 1,301,906.55 and 657,985.70

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Solution

The fourth proportional to 867,937.70, 1,301,906.55 and 657,985.70 is: 986,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,937.70 : 1,301,906.55 = 657,985.70 : x
  2. Step 2: Convert to fraction form
    867,937.70/1,301,906.55 = 657,985.70/x
  3. Step 3: Cross multiply
    867,937.70x = 1,301,906.55 × 657,985.70
  4. Step 4: Simplify right side
    867,937.70x = 856,635,892,636.34
  5. Step 5: Solve for x
    x = 856,635,892,636.34/867,937.70
  6. Step 6: Final answer
    x = 986,978.55

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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.