Home / 1,429,442.84-1,972,617.48-784,857.39

Finding the Fourth Proportional to 1,429,442.84, 1,972,617.48 and 784,857.39

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Solution

The fourth proportional to 1,429,442.84, 1,972,617.48 and 784,857.39 is: 1,083,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,442.84 : 1,972,617.48 = 784,857.39 : x
  2. Step 2: Convert to fraction form
    1,429,442.84/1,972,617.48 = 784,857.39/x
  3. Step 3: Cross multiply
    1,429,442.84x = 1,972,617.48 × 784,857.39
  4. Step 4: Simplify right side
    1,429,442.84x = 1,548,223,406,821.18
  5. Step 5: Solve for x
    x = 1,548,223,406,821.18/1,429,442.84
  6. Step 6: Final answer
    x = 1,083,095.71

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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.