Home / 1,580,188.12-2,180,652.59-855,048.69

Finding the Fourth Proportional to 1,580,188.12, 2,180,652.59 and 855,048.69

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Solution

The fourth proportional to 1,580,188.12, 2,180,652.59 and 855,048.69 is: 1,179,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,188.12 : 2,180,652.59 = 855,048.69 : x
  2. Step 2: Convert to fraction form
    1,580,188.12/2,180,652.59 = 855,048.69/x
  3. Step 3: Cross multiply
    1,580,188.12x = 2,180,652.59 × 855,048.69
  4. Step 4: Simplify right side
    1,580,188.12x = 1,864,564,142,562.23
  5. Step 5: Solve for x
    x = 1,864,564,142,562.23/1,580,188.12
  6. Step 6: Final answer
    x = 1,179,963.40

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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.