Home / 1,843,721.70-2,765,971.35-778,215.30

Finding the Fourth Proportional to 1,843,721.70, 2,765,971.35 and 778,215.30

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Solution

The fourth proportional to 1,843,721.70, 2,765,971.35 and 778,215.30 is: 1,167,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,721.70 : 2,765,971.35 = 778,215.30 : x
  2. Step 2: Convert to fraction form
    1,843,721.70/2,765,971.35 = 778,215.30/x
  3. Step 3: Cross multiply
    1,843,721.70x = 2,765,971.35 × 778,215.30
  4. Step 4: Simplify right side
    1,843,721.70x = 2,152,521,223,931.66
  5. Step 5: Solve for x
    x = 2,152,521,223,931.66/1,843,721.70
  6. Step 6: Final answer
    x = 1,167,487.06

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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.