Home / 1,125,684.57-1,688,842.53-452,238.80

Finding the Fourth Proportional to 1,125,684.57, 1,688,842.53 and 452,238.80

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Solution

The fourth proportional to 1,125,684.57, 1,688,842.53 and 452,238.80 is: 678,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,684.57 : 1,688,842.53 = 452,238.80 : x
  2. Step 2: Convert to fraction form
    1,125,684.57/1,688,842.53 = 452,238.80/x
  3. Step 3: Cross multiply
    1,125,684.57x = 1,688,842.53 × 452,238.80
  4. Step 4: Simplify right side
    1,125,684.57x = 763,760,112,699.36
  5. Step 5: Solve for x
    x = 763,760,112,699.36/1,125,684.57
  6. Step 6: Final answer
    x = 678,485.02

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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.