Home / 1,020,326.52-1,408,008.32-555,182.32

Finding the Fourth Proportional to 1,020,326.52, 1,408,008.32 and 555,182.32

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Solution

The fourth proportional to 1,020,326.52, 1,408,008.32 and 555,182.32 is: 766,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,326.52 : 1,408,008.32 = 555,182.32 : x
  2. Step 2: Convert to fraction form
    1,020,326.52/1,408,008.32 = 555,182.32/x
  3. Step 3: Cross multiply
    1,020,326.52x = 1,408,008.32 × 555,182.32
  4. Step 4: Simplify right side
    1,020,326.52x = 781,701,319,380.97
  5. Step 5: Solve for x
    x = 781,701,319,380.97/1,020,326.52
  6. Step 6: Final answer
    x = 766,128.59

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Double scale
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1.5x scale

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.