Home / 1,709,874.80-2,564,812.20-644,951.60

Finding the Fourth Proportional to 1,709,874.80, 2,564,812.20 and 644,951.60

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Solution

The fourth proportional to 1,709,874.80, 2,564,812.20 and 644,951.60 is: 967,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,874.80 : 2,564,812.20 = 644,951.60 : x
  2. Step 2: Convert to fraction form
    1,709,874.80/2,564,812.20 = 644,951.60/x
  3. Step 3: Cross multiply
    1,709,874.80x = 2,564,812.20 × 644,951.60
  4. Step 4: Simplify right side
    1,709,874.80x = 1,654,179,732,089.52
  5. Step 5: Solve for x
    x = 1,654,179,732,089.52/1,709,874.80
  6. Step 6: Final answer
    x = 967,427.40

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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.