Home / 1,635,731.40-2,453,985.90-688,614.60

Finding the Fourth Proportional to 1,635,731.40, 2,453,985.90 and 688,614.60

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Solution

The fourth proportional to 1,635,731.40, 2,453,985.90 and 688,614.60 is: 1,033,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,731.40 : 2,453,985.90 = 688,614.60 : x
  2. Step 2: Convert to fraction form
    1,635,731.40/2,453,985.90 = 688,614.60/x
  3. Step 3: Cross multiply
    1,635,731.40x = 2,453,985.90 × 688,614.60
  4. Step 4: Simplify right side
    1,635,731.40x = 1,689,850,518,934.14
  5. Step 5: Solve for x
    x = 1,689,850,518,934.14/1,635,731.40
  6. Step 6: Final answer
    x = 1,033,085.58

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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.