Home / 1,434,818.80-1,980,062.58-790,261.30

Finding the Fourth Proportional to 1,434,818.80, 1,980,062.58 and 790,261.30

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Solution

The fourth proportional to 1,434,818.80, 1,980,062.58 and 790,261.30 is: 1,090,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,818.80 : 1,980,062.58 = 790,261.30 : x
  2. Step 2: Convert to fraction form
    1,434,818.80/1,980,062.58 = 790,261.30/x
  3. Step 3: Cross multiply
    1,434,818.80x = 1,980,062.58 × 790,261.30
  4. Step 4: Simplify right side
    1,434,818.80x = 1,564,766,828,552.15
  5. Step 5: Solve for x
    x = 1,564,766,828,552.15/1,434,818.80
  6. Step 6: Final answer
    x = 1,090,567.55

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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.