Home / 1,355,715.16-1,869,184.68-992,508.46

Finding the Fourth Proportional to 1,355,715.16, 1,869,184.68 and 992,508.46

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Solution

The fourth proportional to 1,355,715.16, 1,869,184.68 and 992,508.46 is: 1,368,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,715.16 : 1,869,184.68 = 992,508.46 : x
  2. Step 2: Convert to fraction form
    1,355,715.16/1,869,184.68 = 992,508.46/x
  3. Step 3: Cross multiply
    1,355,715.16x = 1,869,184.68 × 992,508.46
  4. Step 4: Simplify right side
    1,355,715.16x = 1,855,181,608,202.39
  5. Step 5: Solve for x
    x = 1,855,181,608,202.39/1,355,715.16
  6. Step 6: Final answer
    x = 1,368,415.48

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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.