Home / 1,007,781.94-1,390,739.05-555,072.94

Finding the Fourth Proportional to 1,007,781.94, 1,390,739.05 and 555,072.94

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Solution

The fourth proportional to 1,007,781.94, 1,390,739.05 and 555,072.94 is: 766,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,781.94 : 1,390,739.05 = 555,072.94 : x
  2. Step 2: Convert to fraction form
    1,007,781.94/1,390,739.05 = 555,072.94/x
  3. Step 3: Cross multiply
    1,007,781.94x = 1,390,739.05 × 555,072.94
  4. Step 4: Simplify right side
    1,007,781.94x = 771,961,613,256.31
  5. Step 5: Solve for x
    x = 771,961,613,256.31/1,007,781.94
  6. Step 6: Final answer
    x = 766,000.64

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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.