Home / 1,780,160.52-2,670,211.62-432,334.20

Finding the Fourth Proportional to 1,780,160.52, 2,670,211.62 and 432,334.20

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Solution

The fourth proportional to 1,780,160.52, 2,670,211.62 and 432,334.20 is: 648,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,160.52 : 2,670,211.62 = 432,334.20 : x
  2. Step 2: Convert to fraction form
    1,780,160.52/2,670,211.62 = 432,334.20/x
  3. Step 3: Cross multiply
    1,780,160.52x = 2,670,211.62 × 432,334.20
  4. Step 4: Simplify right side
    1,780,160.52x = 1,154,423,804,563.40
  5. Step 5: Solve for x
    x = 1,154,423,804,563.40/1,780,160.52
  6. Step 6: Final answer
    x = 648,494.22

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1.5x scale

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.