Home / 1,580,573.28-2,181,193.76-855,421.76

Finding the Fourth Proportional to 1,580,573.28, 2,181,193.76 and 855,421.76

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Solution

The fourth proportional to 1,580,573.28, 2,181,193.76 and 855,421.76 is: 1,180,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,573.28 : 2,181,193.76 = 855,421.76 : x
  2. Step 2: Convert to fraction form
    1,580,573.28/2,181,193.76 = 855,421.76/x
  3. Step 3: Cross multiply
    1,580,573.28x = 2,181,193.76 × 855,421.76
  4. Step 4: Simplify right side
    1,580,573.28x = 1,865,840,605,080.22
  5. Step 5: Solve for x
    x = 1,865,840,605,080.22/1,580,573.28
  6. Step 6: Final answer
    x = 1,180,483.45

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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.