Home / 1,587,657.12-2,190,483.66-899,219.76

Finding the Fourth Proportional to 1,587,657.12, 2,190,483.66 and 899,219.76

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Solution

The fourth proportional to 1,587,657.12, 2,190,483.66 and 899,219.76 is: 1,240,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,657.12 : 2,190,483.66 = 899,219.76 : x
  2. Step 2: Convert to fraction form
    1,587,657.12/2,190,483.66 = 899,219.76/x
  3. Step 3: Cross multiply
    1,587,657.12x = 2,190,483.66 × 899,219.76
  4. Step 4: Simplify right side
    1,587,657.12x = 1,969,726,191,029.12
  5. Step 5: Solve for x
    x = 1,969,726,191,029.12/1,587,657.12
  6. Step 6: Final answer
    x = 1,240,649.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.