Home / 1,358,678.04-1,874,935.17-777,881.90

Finding the Fourth Proportional to 1,358,678.04, 1,874,935.17 and 777,881.90

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Solution

The fourth proportional to 1,358,678.04, 1,874,935.17 and 777,881.90 is: 1,073,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,678.04 : 1,874,935.17 = 777,881.90 : x
  2. Step 2: Convert to fraction form
    1,358,678.04/1,874,935.17 = 777,881.90/x
  3. Step 3: Cross multiply
    1,358,678.04x = 1,874,935.17 × 777,881.90
  4. Step 4: Simplify right side
    1,358,678.04x = 1,458,478,123,041.75
  5. Step 5: Solve for x
    x = 1,458,478,123,041.75/1,358,678.04
  6. Step 6: Final answer
    x = 1,073,453.81

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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.