Home / 1,580,454.34-2,181,030.87-855,307.36

Finding the Fourth Proportional to 1,580,454.34, 2,181,030.87 and 855,307.36

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Solution

The fourth proportional to 1,580,454.34, 2,181,030.87 and 855,307.36 is: 1,180,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,454.34 : 2,181,030.87 = 855,307.36 : x
  2. Step 2: Convert to fraction form
    1,580,454.34/2,181,030.87 = 855,307.36/x
  3. Step 3: Cross multiply
    1,580,454.34x = 2,181,030.87 × 855,307.36
  4. Step 4: Simplify right side
    1,580,454.34x = 1,865,451,755,498.20
  5. Step 5: Solve for x
    x = 1,865,451,755,498.20/1,580,454.34
  6. Step 6: Final answer
    x = 1,180,326.26

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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.