Home / 1,118,370.78-1,676,349.45-549,089.82

Finding the Fourth Proportional to 1,118,370.78, 1,676,349.45 and 549,089.82

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Solution

The fourth proportional to 1,118,370.78, 1,676,349.45 and 549,089.82 is: 823,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,370.78 : 1,676,349.45 = 549,089.82 : x
  2. Step 2: Convert to fraction form
    1,118,370.78/1,676,349.45 = 549,089.82/x
  3. Step 3: Cross multiply
    1,118,370.78x = 1,676,349.45 × 549,089.82
  4. Step 4: Simplify right side
    1,118,370.78x = 920,466,417,757.60
  5. Step 5: Solve for x
    x = 920,466,417,757.60/1,118,370.78
  6. Step 6: Final answer
    x = 823,042.26

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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.