Home / 1,143,714.48-1,578,377.52-634,416.72

Finding the Fourth Proportional to 1,143,714.48, 1,578,377.52 and 634,416.72

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Solution

The fourth proportional to 1,143,714.48, 1,578,377.52 and 634,416.72 is: 875,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,714.48 : 1,578,377.52 = 634,416.72 : x
  2. Step 2: Convert to fraction form
    1,143,714.48/1,578,377.52 = 634,416.72/x
  3. Step 3: Cross multiply
    1,143,714.48x = 1,578,377.52 × 634,416.72
  4. Step 4: Simplify right side
    1,143,714.48x = 1,001,349,089,160.13
  5. Step 5: Solve for x
    x = 1,001,349,089,160.13/1,143,714.48
  6. Step 6: Final answer
    x = 875,523.66

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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.