Home / 1,580,572.80-2,363,860.80-1,328,630.40

Finding the Fourth Proportional to 1,580,572.80, 2,363,860.80 and 1,328,630.40

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Solution

The fourth proportional to 1,580,572.80, 2,363,860.80 and 1,328,630.40 is: 1,987,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,572.80 : 2,363,860.80 = 1,328,630.40 : x
  2. Step 2: Convert to fraction form
    1,580,572.80/2,363,860.80 = 1,328,630.40/x
  3. Step 3: Cross multiply
    1,580,572.80x = 2,363,860.80 × 1,328,630.40
  4. Step 4: Simplify right side
    1,580,572.80x = 3,140,697,320,248.32
  5. Step 5: Solve for x
    x = 3,140,697,320,248.32/1,580,572.80
  6. Step 6: Final answer
    x = 1,987,062.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.