Home / 1,069,558.56-1,475,948.52-639,582.48

Finding the Fourth Proportional to 1,069,558.56, 1,475,948.52 and 639,582.48

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Solution

The fourth proportional to 1,069,558.56, 1,475,948.52 and 639,582.48 is: 882,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,558.56 : 1,475,948.52 = 639,582.48 : x
  2. Step 2: Convert to fraction form
    1,069,558.56/1,475,948.52 = 639,582.48/x
  3. Step 3: Cross multiply
    1,069,558.56x = 1,475,948.52 × 639,582.48
  4. Step 4: Simplify right side
    1,069,558.56x = 943,990,814,773.93
  5. Step 5: Solve for x
    x = 943,990,814,773.93/1,069,558.56
  6. Step 6: Final answer
    x = 882,598.53

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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.