Home / 1,432,939.48-1,977,456.39-788,345.84

Finding the Fourth Proportional to 1,432,939.48, 1,977,456.39 and 788,345.84

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Solution

The fourth proportional to 1,432,939.48, 1,977,456.39 and 788,345.84 is: 1,087,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,939.48 : 1,977,456.39 = 788,345.84 : x
  2. Step 2: Convert to fraction form
    1,432,939.48/1,977,456.39 = 788,345.84/x
  3. Step 3: Cross multiply
    1,432,939.48x = 1,977,456.39 × 788,345.84
  4. Step 4: Simplify right side
    1,432,939.48x = 1,558,919,518,837.92
  5. Step 5: Solve for x
    x = 1,558,919,518,837.92/1,432,939.48
  6. Step 6: Final answer
    x = 1,087,917.21

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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.