Home / 1,138,528.44-1,708,072.95-802,225.86

Finding the Fourth Proportional to 1,138,528.44, 1,708,072.95 and 802,225.86

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Solution

The fourth proportional to 1,138,528.44, 1,708,072.95 and 802,225.86 is: 1,203,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,528.44 : 1,708,072.95 = 802,225.86 : x
  2. Step 2: Convert to fraction form
    1,138,528.44/1,708,072.95 = 802,225.86/x
  3. Step 3: Cross multiply
    1,138,528.44x = 1,708,072.95 × 802,225.86
  4. Step 4: Simplify right side
    1,138,528.44x = 1,370,260,291,256.49
  5. Step 5: Solve for x
    x = 1,370,260,291,256.49/1,138,528.44
  6. Step 6: Final answer
    x = 1,203,536.29

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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.