Home / 1,007,739.42-1,390,680.41-555,030.42

Finding the Fourth Proportional to 1,007,739.42, 1,390,680.41 and 555,030.42

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Solution

The fourth proportional to 1,007,739.42, 1,390,680.41 and 555,030.42 is: 765,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,739.42 : 1,390,680.41 = 555,030.42 : x
  2. Step 2: Convert to fraction form
    1,007,739.42/1,390,680.41 = 555,030.42/x
  3. Step 3: Cross multiply
    1,007,739.42x = 1,390,680.41 × 555,030.42
  4. Step 4: Simplify right side
    1,007,739.42x = 771,869,929,272.92
  5. Step 5: Solve for x
    x = 771,869,929,272.92/1,007,739.42
  6. Step 6: Final answer
    x = 765,941.98

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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.