Home / 1,493,626.80-2,061,390.15-912,730.44

Finding the Fourth Proportional to 1,493,626.80, 2,061,390.15 and 912,730.44

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Solution

The fourth proportional to 1,493,626.80, 2,061,390.15 and 912,730.44 is: 1,259,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,626.80 : 2,061,390.15 = 912,730.44 : x
  2. Step 2: Convert to fraction form
    1,493,626.80/2,061,390.15 = 912,730.44/x
  3. Step 3: Cross multiply
    1,493,626.80x = 2,061,390.15 × 912,730.44
  4. Step 4: Simplify right side
    1,493,626.80x = 1,881,493,538,621.17
  5. Step 5: Solve for x
    x = 1,881,493,538,621.17/1,493,626.80
  6. Step 6: Final answer
    x = 1,259,681.16

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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.