Home / 1,007,739.29-1,390,680.20-555,030.29

Finding the Fourth Proportional to 1,007,739.29, 1,390,680.20 and 555,030.29

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Solution

The fourth proportional to 1,007,739.29, 1,390,680.20 and 555,030.29 is: 765,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,739.29 : 1,390,680.20 = 555,030.29 : x
  2. Step 2: Convert to fraction form
    1,007,739.29/1,390,680.20 = 555,030.29/x
  3. Step 3: Cross multiply
    1,007,739.29x = 1,390,680.20 × 555,030.29
  4. Step 4: Simplify right side
    1,007,739.29x = 771,869,639,567.53
  5. Step 5: Solve for x
    x = 771,869,639,567.53/1,007,739.29
  6. Step 6: Final answer
    x = 765,941.79

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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.