Home / 1,138,574.16-1,708,141.50-802,271.52

Finding the Fourth Proportional to 1,138,574.16, 1,708,141.50 and 802,271.52

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Solution

The fourth proportional to 1,138,574.16, 1,708,141.50 and 802,271.52 is: 1,203,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,574.16 : 1,708,141.50 = 802,271.52 : x
  2. Step 2: Convert to fraction form
    1,138,574.16/1,708,141.50 = 802,271.52/x
  3. Step 3: Cross multiply
    1,138,574.16x = 1,708,141.50 × 802,271.52
  4. Step 4: Simplify right side
    1,138,574.16x = 1,370,393,277,580.08
  5. Step 5: Solve for x
    x = 1,370,393,277,580.08/1,138,574.16
  6. Step 6: Final answer
    x = 1,203,604.76

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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.