Home / 1,219,200.40-1,830,874.20-904,013.20

Finding the Fourth Proportional to 1,219,200.40, 1,830,874.20 and 904,013.20

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Solution

The fourth proportional to 1,219,200.40, 1,830,874.20 and 904,013.20 is: 1,357,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,200.40 : 1,830,874.20 = 904,013.20 : x
  2. Step 2: Convert to fraction form
    1,219,200.40/1,830,874.20 = 904,013.20/x
  3. Step 3: Cross multiply
    1,219,200.40x = 1,830,874.20 × 904,013.20
  4. Step 4: Simplify right side
    1,219,200.40x = 1,655,134,444,339.44
  5. Step 5: Solve for x
    x = 1,655,134,444,339.44/1,219,200.40
  6. Step 6: Final answer
    x = 1,357,557.33

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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.