Home / 991,622.80-1,487,620.93-706,606.32

Finding the Fourth Proportional to 991,622.80, 1,487,620.93 and 706,606.32

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Solution

The fourth proportional to 991,622.80, 1,487,620.93 and 706,606.32 is: 1,060,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,622.80 : 1,487,620.93 = 706,606.32 : x
  2. Step 2: Convert to fraction form
    991,622.80/1,487,620.93 = 706,606.32/x
  3. Step 3: Cross multiply
    991,622.80x = 1,487,620.93 × 706,606.32
  4. Step 4: Simplify right side
    991,622.80x = 1,051,162,350,902.28
  5. Step 5: Solve for x
    x = 1,051,162,350,902.28/991,622.80
  6. Step 6: Final answer
    x = 1,060,042.54

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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.