Home / 983,622.80-1,473,619.80-561,645.20

Finding the Fourth Proportional to 983,622.80, 1,473,619.80 and 561,645.20

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Solution

The fourth proportional to 983,622.80, 1,473,619.80 and 561,645.20 is: 841,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,622.80 : 1,473,619.80 = 561,645.20 : x
  2. Step 2: Convert to fraction form
    983,622.80/1,473,619.80 = 561,645.20/x
  3. Step 3: Cross multiply
    983,622.80x = 1,473,619.80 × 561,645.20
  4. Step 4: Simplify right side
    983,622.80x = 827,651,487,294.96
  5. Step 5: Solve for x
    x = 827,651,487,294.96/983,622.80
  6. Step 6: Final answer
    x = 841,431.78

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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.