Home / 1,312,031.40-1,968,047.10-1,195,909.80

Finding the Fourth Proportional to 1,312,031.40, 1,968,047.10 and 1,195,909.80

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Solution

The fourth proportional to 1,312,031.40, 1,968,047.10 and 1,195,909.80 is: 1,793,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,031.40 : 1,968,047.10 = 1,195,909.80 : x
  2. Step 2: Convert to fraction form
    1,312,031.40/1,968,047.10 = 1,195,909.80/x
  3. Step 3: Cross multiply
    1,312,031.40x = 1,968,047.10 × 1,195,909.80
  4. Step 4: Simplify right side
    1,312,031.40x = 2,353,606,813,751.58
  5. Step 5: Solve for x
    x = 2,353,606,813,751.58/1,312,031.40
  6. Step 6: Final answer
    x = 1,793,864.70

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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.