Home / 1,005,976.48-1,388,259.12-553,275.04

Finding the Fourth Proportional to 1,005,976.48, 1,388,259.12 and 553,275.04

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Solution

The fourth proportional to 1,005,976.48, 1,388,259.12 and 553,275.04 is: 763,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,976.48 : 1,388,259.12 = 553,275.04 : x
  2. Step 2: Convert to fraction form
    1,005,976.48/1,388,259.12 = 553,275.04/x
  3. Step 3: Cross multiply
    1,005,976.48x = 1,388,259.12 × 553,275.04
  4. Step 4: Simplify right side
    1,005,976.48x = 768,089,120,148.37
  5. Step 5: Solve for x
    x = 768,089,120,148.37/1,005,976.48
  6. Step 6: Final answer
    x = 763,525.92

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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.