Home / 1,007,825.12-1,390,830.52-548,953.48

Finding the Fourth Proportional to 1,007,825.12, 1,390,830.52 and 548,953.48

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Solution

The fourth proportional to 1,007,825.12, 1,390,830.52 and 548,953.48 is: 757,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,825.12 : 1,390,830.52 = 548,953.48 : x
  2. Step 2: Convert to fraction form
    1,007,825.12/1,390,830.52 = 548,953.48/x
  3. Step 3: Cross multiply
    1,007,825.12x = 1,390,830.52 × 548,953.48
  4. Step 4: Simplify right side
    1,007,825.12x = 763,501,254,044.21
  5. Step 5: Solve for x
    x = 763,501,254,044.21/1,007,825.12
  6. Step 6: Final answer
    x = 757,573.15

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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.