Home / 1,065,456.48-1,470,374.64-612,747.84

Finding the Fourth Proportional to 1,065,456.48, 1,470,374.64 and 612,747.84

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Solution

The fourth proportional to 1,065,456.48, 1,470,374.64 and 612,747.84 is: 845,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,456.48 : 1,470,374.64 = 612,747.84 : x
  2. Step 2: Convert to fraction form
    1,065,456.48/1,470,374.64 = 612,747.84/x
  3. Step 3: Cross multiply
    1,065,456.48x = 1,470,374.64 × 612,747.84
  4. Step 4: Simplify right side
    1,065,456.48x = 900,968,884,650.78
  5. Step 5: Solve for x
    x = 900,968,884,650.78/1,065,456.48
  6. Step 6: Final answer
    x = 845,617.72

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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.