Home / 1,580,154.28-2,180,606.88-855,003.40

Finding the Fourth Proportional to 1,580,154.28, 2,180,606.88 and 855,003.40

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Solution

The fourth proportional to 1,580,154.28, 2,180,606.88 and 855,003.40 is: 1,179,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,154.28 : 2,180,606.88 = 855,003.40 : x
  2. Step 2: Convert to fraction form
    1,580,154.28/2,180,606.88 = 855,003.40/x
  3. Step 3: Cross multiply
    1,580,154.28x = 2,180,606.88 × 855,003.40
  4. Step 4: Simplify right side
    1,580,154.28x = 1,864,426,296,463.39
  5. Step 5: Solve for x
    x = 1,864,426,296,463.39/1,580,154.28
  6. Step 6: Final answer
    x = 1,179,901.43

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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.