Home / 1,329,793.20-1,994,689.80-904,640.40

Finding the Fourth Proportional to 1,329,793.20, 1,994,689.80 and 904,640.40

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Solution

The fourth proportional to 1,329,793.20, 1,994,689.80 and 904,640.40 is: 1,356,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,793.20 : 1,994,689.80 = 904,640.40 : x
  2. Step 2: Convert to fraction form
    1,329,793.20/1,994,689.80 = 904,640.40/x
  3. Step 3: Cross multiply
    1,329,793.20x = 1,994,689.80 × 904,640.40
  4. Step 4: Simplify right side
    1,329,793.20x = 1,804,476,978,547.92
  5. Step 5: Solve for x
    x = 1,804,476,978,547.92/1,329,793.20
  6. Step 6: Final answer
    x = 1,356,960.60

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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.