Home / 1,453,291.80-2,180,715.30-611,928.60

Finding the Fourth Proportional to 1,453,291.80, 2,180,715.30 and 611,928.60

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Solution

The fourth proportional to 1,453,291.80, 2,180,715.30 and 611,928.60 is: 918,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,291.80 : 2,180,715.30 = 611,928.60 : x
  2. Step 2: Convert to fraction form
    1,453,291.80/2,180,715.30 = 611,928.60/x
  3. Step 3: Cross multiply
    1,453,291.80x = 2,180,715.30 × 611,928.60
  4. Step 4: Simplify right side
    1,453,291.80x = 1,334,442,060,527.58
  5. Step 5: Solve for x
    x = 1,334,442,060,527.58/1,453,291.80
  6. Step 6: Final answer
    x = 918,220.32

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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.