Home / 1,284,730.34-1,772,985.92-711,770.49

Finding the Fourth Proportional to 1,284,730.34, 1,772,985.92 and 711,770.49

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Solution

The fourth proportional to 1,284,730.34, 1,772,985.92 and 711,770.49 is: 982,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,730.34 : 1,772,985.92 = 711,770.49 : x
  2. Step 2: Convert to fraction form
    1,284,730.34/1,772,985.92 = 711,770.49/x
  3. Step 3: Cross multiply
    1,284,730.34x = 1,772,985.92 × 711,770.49
  4. Step 4: Simplify right side
    1,284,730.34x = 1,261,959,053,482.65
  5. Step 5: Solve for x
    x = 1,261,959,053,482.65/1,284,730.34
  6. Step 6: Final answer
    x = 982,275.44

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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.