Home / 1,090,928.84-1,636,655.66-342,974.28

Finding the Fourth Proportional to 1,090,928.84, 1,636,655.66 and 342,974.28

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Solution

The fourth proportional to 1,090,928.84, 1,636,655.66 and 342,974.28 is: 514,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,928.84 : 1,636,655.66 = 342,974.28 : x
  2. Step 2: Convert to fraction form
    1,090,928.84/1,636,655.66 = 342,974.28/x
  3. Step 3: Cross multiply
    1,090,928.84x = 1,636,655.66 × 342,974.28
  4. Step 4: Simplify right side
    1,090,928.84x = 561,330,796,596.43
  5. Step 5: Solve for x
    x = 561,330,796,596.43/1,090,928.84
  6. Step 6: Final answer
    x = 514,543.92

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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.