Home / 989,373.80-1,482,070.52-749,897.32

Finding the Fourth Proportional to 989,373.80, 1,482,070.52 and 749,897.32

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Solution

The fourth proportional to 989,373.80, 1,482,070.52 and 749,897.32 is: 1,123,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,373.80 : 1,482,070.52 = 749,897.32 : x
  2. Step 2: Convert to fraction form
    989,373.80/1,482,070.52 = 749,897.32/x
  3. Step 3: Cross multiply
    989,373.80x = 1,482,070.52 × 749,897.32
  4. Step 4: Simplify right side
    989,373.80x = 1,111,400,710,999.01
  5. Step 5: Solve for x
    x = 1,111,400,710,999.01/989,373.80
  6. Step 6: Final answer
    x = 1,123,337.52

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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.