Home / 1,122,409.44-1,549,434.93-715,069.88

Finding the Fourth Proportional to 1,122,409.44, 1,549,434.93 and 715,069.88

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Solution

The fourth proportional to 1,122,409.44, 1,549,434.93 and 715,069.88 is: 987,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,409.44 : 1,549,434.93 = 715,069.88 : x
  2. Step 2: Convert to fraction form
    1,122,409.44/1,549,434.93 = 715,069.88/x
  3. Step 3: Cross multiply
    1,122,409.44x = 1,549,434.93 × 715,069.88
  4. Step 4: Simplify right side
    1,122,409.44x = 1,107,954,249,462.91
  5. Step 5: Solve for x
    x = 1,107,954,249,462.91/1,122,409.44
  6. Step 6: Final answer
    x = 987,121.29

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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.