Home / 1,245,004.80-1,863,206.40-746,726.40

Finding the Fourth Proportional to 1,245,004.80, 1,863,206.40 and 746,726.40

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Solution

The fourth proportional to 1,245,004.80, 1,863,206.40 and 746,726.40 is: 1,117,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,004.80 : 1,863,206.40 = 746,726.40 : x
  2. Step 2: Convert to fraction form
    1,245,004.80/1,863,206.40 = 746,726.40/x
  3. Step 3: Cross multiply
    1,245,004.80x = 1,863,206.40 × 746,726.40
  4. Step 4: Simplify right side
    1,245,004.80x = 1,391,305,407,528.96
  5. Step 5: Solve for x
    x = 1,391,305,407,528.96/1,245,004.80
  6. Step 6: Final answer
    x = 1,117,510.08

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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.