Home / 1,553,678.72-2,144,394.24-980,332.64

Finding the Fourth Proportional to 1,553,678.72, 2,144,394.24 and 980,332.64

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Solution

The fourth proportional to 1,553,678.72, 2,144,394.24 and 980,332.64 is: 1,353,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,678.72 : 2,144,394.24 = 980,332.64 : x
  2. Step 2: Convert to fraction form
    1,553,678.72/2,144,394.24 = 980,332.64/x
  3. Step 3: Cross multiply
    1,553,678.72x = 2,144,394.24 × 980,332.64
  4. Step 4: Simplify right side
    1,553,678.72x = 2,102,219,666,499.99
  5. Step 5: Solve for x
    x = 2,102,219,666,499.99/1,553,678.72
  6. Step 6: Final answer
    x = 1,353,059.44

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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.