Home / 975,819.78-1,464,604.47-816,890.49

Finding the Fourth Proportional to 975,819.78, 1,464,604.47 and 816,890.49

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Solution

The fourth proportional to 975,819.78, 1,464,604.47 and 816,890.49 is: 1,226,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,819.78 : 1,464,604.47 = 816,890.49 : x
  2. Step 2: Convert to fraction form
    975,819.78/1,464,604.47 = 816,890.49/x
  3. Step 3: Cross multiply
    975,819.78x = 1,464,604.47 × 816,890.49
  4. Step 4: Simplify right side
    975,819.78x = 1,196,421,463,154.49
  5. Step 5: Solve for x
    x = 1,196,421,463,154.49/975,819.78
  6. Step 6: Final answer
    x = 1,226,068.06

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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.