Home / 1,409,225.80-2,113,840.16-661,272.52

Finding the Fourth Proportional to 1,409,225.80, 2,113,840.16 and 661,272.52

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Solution

The fourth proportional to 1,409,225.80, 2,113,840.16 and 661,272.52 is: 991,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,225.80 : 2,113,840.16 = 661,272.52 : x
  2. Step 2: Convert to fraction form
    1,409,225.80/2,113,840.16 = 661,272.52/x
  3. Step 3: Cross multiply
    1,409,225.80x = 2,113,840.16 × 661,272.52
  4. Step 4: Simplify right side
    1,409,225.80x = 1,397,824,409,480.40
  5. Step 5: Solve for x
    x = 1,397,824,409,480.40/1,409,225.80
  6. Step 6: Final answer
    x = 991,909.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.