Home / 1,780,780.80-2,457,463.68-975,962.88

Finding the Fourth Proportional to 1,780,780.80, 2,457,463.68 and 975,962.88

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Solution

The fourth proportional to 1,780,780.80, 2,457,463.68 and 975,962.88 is: 1,346,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,780.80 : 2,457,463.68 = 975,962.88 : x
  2. Step 2: Convert to fraction form
    1,780,780.80/2,457,463.68 = 975,962.88/x
  3. Step 3: Cross multiply
    1,780,780.80x = 2,457,463.68 × 975,962.88
  4. Step 4: Simplify right side
    1,780,780.80x = 2,398,393,330,628.20
  5. Step 5: Solve for x
    x = 2,398,393,330,628.20/1,780,780.80
  6. Step 6: Final answer
    x = 1,346,821.20

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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.