Home / 1,238,365.80-1,708,962.18-748,267.32

Finding the Fourth Proportional to 1,238,365.80, 1,708,962.18 and 748,267.32

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Solution

The fourth proportional to 1,238,365.80, 1,708,962.18 and 748,267.32 is: 1,032,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,365.80 : 1,708,962.18 = 748,267.32 : x
  2. Step 2: Convert to fraction form
    1,238,365.80/1,708,962.18 = 748,267.32/x
  3. Step 3: Cross multiply
    1,238,365.80x = 1,708,962.18 × 748,267.32
  4. Step 4: Simplify right side
    1,238,365.80x = 1,278,760,550,409.96
  5. Step 5: Solve for x
    x = 1,278,760,550,409.96/1,238,365.80
  6. Step 6: Final answer
    x = 1,032,619.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.