Home / 1,175,005.11-1,621,511.18-739,710.45

Finding the Fourth Proportional to 1,175,005.11, 1,621,511.18 and 739,710.45

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Solution

The fourth proportional to 1,175,005.11, 1,621,511.18 and 739,710.45 is: 1,020,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,005.11 : 1,621,511.18 = 739,710.45 : x
  2. Step 2: Convert to fraction form
    1,175,005.11/1,621,511.18 = 739,710.45/x
  3. Step 3: Cross multiply
    1,175,005.11x = 1,621,511.18 × 739,710.45
  4. Step 4: Simplify right side
    1,175,005.11x = 1,199,448,760,939.28
  5. Step 5: Solve for x
    x = 1,199,448,760,939.28/1,175,005.11
  6. Step 6: Final answer
    x = 1,020,803.02

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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.