Home / 1,130,971.52-1,560,774.48-647,693.12

Finding the Fourth Proportional to 1,130,971.52, 1,560,774.48 and 647,693.12

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Solution

The fourth proportional to 1,130,971.52, 1,560,774.48 and 647,693.12 is: 893,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,971.52 : 1,560,774.48 = 647,693.12 : x
  2. Step 2: Convert to fraction form
    1,130,971.52/1,560,774.48 = 647,693.12/x
  3. Step 3: Cross multiply
    1,130,971.52x = 1,560,774.48 × 647,693.12
  4. Step 4: Simplify right side
    1,130,971.52x = 1,010,902,892,567.58
  5. Step 5: Solve for x
    x = 1,010,902,892,567.58/1,130,971.52
  6. Step 6: Final answer
    x = 893,835.85

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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.