Home / 991,747.98-1,487,594.34-666,792.54

Finding the Fourth Proportional to 991,747.98, 1,487,594.34 and 666,792.54

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Solution

The fourth proportional to 991,747.98, 1,487,594.34 and 666,792.54 is: 1,000,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,747.98 : 1,487,594.34 = 666,792.54 : x
  2. Step 2: Convert to fraction form
    991,747.98/1,487,594.34 = 666,792.54/x
  3. Step 3: Cross multiply
    991,747.98x = 1,487,594.34 × 666,792.54
  4. Step 4: Simplify right side
    991,747.98x = 991,916,808,458.22
  5. Step 5: Solve for x
    x = 991,916,808,458.22/991,747.98
  6. Step 6: Final answer
    x = 1,000,170.23

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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.