Home / 1,512,670.52-2,087,485.75-824,342.57

Finding the Fourth Proportional to 1,512,670.52, 2,087,485.75 and 824,342.57

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Solution

The fourth proportional to 1,512,670.52, 2,087,485.75 and 824,342.57 is: 1,137,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,670.52 : 2,087,485.75 = 824,342.57 : x
  2. Step 2: Convert to fraction form
    1,512,670.52/2,087,485.75 = 824,342.57/x
  3. Step 3: Cross multiply
    1,512,670.52x = 2,087,485.75 × 824,342.57
  4. Step 4: Simplify right side
    1,512,670.52x = 1,720,803,367,993.38
  5. Step 5: Solve for x
    x = 1,720,803,367,993.38/1,512,670.52
  6. Step 6: Final answer
    x = 1,137,592.98

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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.