Home / 1,283,158.40-1,920,590.40-1,001,148.80

Finding the Fourth Proportional to 1,283,158.40, 1,920,590.40 and 1,001,148.80

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Solution

The fourth proportional to 1,283,158.40, 1,920,590.40 and 1,001,148.80 is: 1,498,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,158.40 : 1,920,590.40 = 1,001,148.80 : x
  2. Step 2: Convert to fraction form
    1,283,158.40/1,920,590.40 = 1,001,148.80/x
  3. Step 3: Cross multiply
    1,283,158.40x = 1,920,590.40 × 1,001,148.80
  4. Step 4: Simplify right side
    1,283,158.40x = 1,922,796,774,251.52
  5. Step 5: Solve for x
    x = 1,922,796,774,251.52/1,283,158.40
  6. Step 6: Final answer
    x = 1,498,487.46

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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.