Home / 991,754.40-1,487,631.60-991,754.40

Finding the Fourth Proportional to 991,754.40, 1,487,631.60 and 991,754.40

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Solution

The fourth proportional to 991,754.40, 1,487,631.60 and 991,754.40 is: 1,487,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,754.40 : 1,487,631.60 = 991,754.40 : x
  2. Step 2: Convert to fraction form
    991,754.40/1,487,631.60 = 991,754.40/x
  3. Step 3: Cross multiply
    991,754.40x = 1,487,631.60 × 991,754.40
  4. Step 4: Simplify right side
    991,754.40x = 1,475,365,184,879.04
  5. Step 5: Solve for x
    x = 1,475,365,184,879.04/991,754.40
  6. Step 6: Final answer
    x = 1,487,631.60

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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.