Home / 758,113.66-1,130,273.51-672,917.05

Finding the Fourth Proportional to 758,113.66, 1,130,273.51 and 672,917.05

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Solution

The fourth proportional to 758,113.66, 1,130,273.51 and 672,917.05 is: 1,003,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,113.66 : 1,130,273.51 = 672,917.05 : x
  2. Step 2: Convert to fraction form
    758,113.66/1,130,273.51 = 672,917.05/x
  3. Step 3: Cross multiply
    758,113.66x = 1,130,273.51 × 672,917.05
  4. Step 4: Simplify right side
    758,113.66x = 760,580,316,042.35
  5. Step 5: Solve for x
    x = 760,580,316,042.35/758,113.66
  6. Step 6: Final answer
    x = 1,003,253.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.