Home / 1,283,740.04-1,771,616.58-710,780.21

Finding the Fourth Proportional to 1,283,740.04, 1,771,616.58 and 710,780.21

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Solution

The fourth proportional to 1,283,740.04, 1,771,616.58 and 710,780.21 is: 980,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,740.04 : 1,771,616.58 = 710,780.21 : x
  2. Step 2: Convert to fraction form
    1,283,740.04/1,771,616.58 = 710,780.21/x
  3. Step 3: Cross multiply
    1,283,740.04x = 1,771,616.58 × 710,780.21
  4. Step 4: Simplify right side
    1,283,740.04x = 1,259,229,995,913.80
  5. Step 5: Solve for x
    x = 1,259,229,995,913.80/1,283,740.04
  6. Step 6: Final answer
    x = 980,907.32

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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.