Home / 1,555,931.40-2,335,646.70-1,202,512.20

Finding the Fourth Proportional to 1,555,931.40, 2,335,646.70 and 1,202,512.20

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Solution

The fourth proportional to 1,555,931.40, 2,335,646.70 and 1,202,512.20 is: 1,805,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,931.40 : 2,335,646.70 = 1,202,512.20 : x
  2. Step 2: Convert to fraction form
    1,555,931.40/2,335,646.70 = 1,202,512.20/x
  3. Step 3: Cross multiply
    1,555,931.40x = 2,335,646.70 × 1,202,512.20
  4. Step 4: Simplify right side
    1,555,931.40x = 2,808,643,651,639.74
  5. Step 5: Solve for x
    x = 2,808,643,651,639.74/1,555,931.40
  6. Step 6: Final answer
    x = 1,805,120.49

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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.