Home / 1,580,432.45-2,180,988.69-855,280.32

Finding the Fourth Proportional to 1,580,432.45, 2,180,988.69 and 855,280.32

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Solution

The fourth proportional to 1,580,432.45, 2,180,988.69 and 855,280.32 is: 1,180,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,432.45 : 2,180,988.69 = 855,280.32 : x
  2. Step 2: Convert to fraction form
    1,580,432.45/2,180,988.69 = 855,280.32/x
  3. Step 3: Cross multiply
    1,580,432.45x = 2,180,988.69 × 855,280.32
  4. Step 4: Simplify right side
    1,580,432.45x = 1,865,356,693,313.57
  5. Step 5: Solve for x
    x = 1,865,356,693,313.57/1,580,432.45
  6. Step 6: Final answer
    x = 1,180,282.46

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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.