Home / 1,877,288.40-2,590,642.35-1,061,652.22

Finding the Fourth Proportional to 1,877,288.40, 2,590,642.35 and 1,061,652.22

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Solution

The fourth proportional to 1,877,288.40, 2,590,642.35 and 1,061,652.22 is: 1,465,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,288.40 : 2,590,642.35 = 1,061,652.22 : x
  2. Step 2: Convert to fraction form
    1,877,288.40/2,590,642.35 = 1,061,652.22/x
  3. Step 3: Cross multiply
    1,877,288.40x = 2,590,642.35 × 1,061,652.22
  4. Step 4: Simplify right side
    1,877,288.40x = 2,750,361,195,626.91
  5. Step 5: Solve for x
    x = 2,750,361,195,626.91/1,877,288.40
  6. Step 6: Final answer
    x = 1,465,071.21

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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.