Home / 1,138,513.51-1,708,050.57-802,211.02

Finding the Fourth Proportional to 1,138,513.51, 1,708,050.57 and 802,211.02

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Solution

The fourth proportional to 1,138,513.51, 1,708,050.57 and 802,211.02 is: 1,203,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,513.51 : 1,708,050.57 = 802,211.02 : x
  2. Step 2: Convert to fraction form
    1,138,513.51/1,708,050.57 = 802,211.02/x
  3. Step 3: Cross multiply
    1,138,513.51x = 1,708,050.57 × 802,211.02
  4. Step 4: Simplify right side
    1,138,513.51x = 1,370,216,989,971.28
  5. Step 5: Solve for x
    x = 1,370,216,989,971.28/1,138,513.51
  6. Step 6: Final answer
    x = 1,203,514.04

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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.