Home / 1,525,285.08-2,104,823.07-836,940.20

Finding the Fourth Proportional to 1,525,285.08, 2,104,823.07 and 836,940.20

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Solution

The fourth proportional to 1,525,285.08, 2,104,823.07 and 836,940.20 is: 1,154,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,285.08 : 2,104,823.07 = 836,940.20 : x
  2. Step 2: Convert to fraction form
    1,525,285.08/2,104,823.07 = 836,940.20/x
  3. Step 3: Cross multiply
    1,525,285.08x = 2,104,823.07 × 836,940.20
  4. Step 4: Simplify right side
    1,525,285.08x = 1,761,611,030,646.30
  5. Step 5: Solve for x
    x = 1,761,611,030,646.30/1,525,285.08
  6. Step 6: Final answer
    x = 1,154,938.87

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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.