Home / 1,255,488.20-1,883,145.90-402,547.40

Finding the Fourth Proportional to 1,255,488.20, 1,883,145.90 and 402,547.40

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Solution

The fourth proportional to 1,255,488.20, 1,883,145.90 and 402,547.40 is: 603,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,488.20 : 1,883,145.90 = 402,547.40 : x
  2. Step 2: Convert to fraction form
    1,255,488.20/1,883,145.90 = 402,547.40/x
  3. Step 3: Cross multiply
    1,255,488.20x = 1,883,145.90 × 402,547.40
  4. Step 4: Simplify right side
    1,255,488.20x = 758,055,485,865.66
  5. Step 5: Solve for x
    x = 758,055,485,865.66/1,255,488.20
  6. Step 6: Final answer
    x = 603,793.40

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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.