Home / 1,120,210.40-1,680,315.60-372,256.40

Finding the Fourth Proportional to 1,120,210.40, 1,680,315.60 and 372,256.40

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Solution

The fourth proportional to 1,120,210.40, 1,680,315.60 and 372,256.40 is: 558,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,210.40 : 1,680,315.60 = 372,256.40 : x
  2. Step 2: Convert to fraction form
    1,120,210.40/1,680,315.60 = 372,256.40/x
  3. Step 3: Cross multiply
    1,120,210.40x = 1,680,315.60 × 372,256.40
  4. Step 4: Simplify right side
    1,120,210.40x = 625,508,236,119.84
  5. Step 5: Solve for x
    x = 625,508,236,119.84/1,120,210.40
  6. Step 6: Final answer
    x = 558,384.60

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1.5x scale

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.