Home / 1,007,800.52-1,390,764.48-555,091.52

Finding the Fourth Proportional to 1,007,800.52, 1,390,764.48 and 555,091.52

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Solution

The fourth proportional to 1,007,800.52, 1,390,764.48 and 555,091.52 is: 766,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,800.52 : 1,390,764.48 = 555,091.52 : x
  2. Step 2: Convert to fraction form
    1,007,800.52/1,390,764.48 = 555,091.52/x
  3. Step 3: Cross multiply
    1,007,800.52x = 1,390,764.48 × 555,091.52
  4. Step 4: Simplify right side
    1,007,800.52x = 772,001,569,165.21
  5. Step 5: Solve for x
    x = 772,001,569,165.21/1,007,800.52
  6. Step 6: Final answer
    x = 766,026.17

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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.