Home / 1,553,207.57-2,328,728.83-688,172.30

Finding the Fourth Proportional to 1,553,207.57, 2,328,728.83 and 688,172.30

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Solution

The fourth proportional to 1,553,207.57, 2,328,728.83 and 688,172.30 is: 1,031,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,207.57 : 2,328,728.83 = 688,172.30 : x
  2. Step 2: Convert to fraction form
    1,553,207.57/2,328,728.83 = 688,172.30/x
  3. Step 3: Cross multiply
    1,553,207.57x = 2,328,728.83 × 688,172.30
  4. Step 4: Simplify right side
    1,553,207.57x = 1,602,566,675,017.41
  5. Step 5: Solve for x
    x = 1,602,566,675,017.41/1,553,207.57
  6. Step 6: Final answer
    x = 1,031,778.82

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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.