Home / 1,368,860.52-1,889,031.90-765,248.52

Finding the Fourth Proportional to 1,368,860.52, 1,889,031.90 and 765,248.52

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Solution

The fourth proportional to 1,368,860.52, 1,889,031.90 and 765,248.52 is: 1,056,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,860.52 : 1,889,031.90 = 765,248.52 : x
  2. Step 2: Convert to fraction form
    1,368,860.52/1,889,031.90 = 765,248.52/x
  3. Step 3: Cross multiply
    1,368,860.52x = 1,889,031.90 × 765,248.52
  4. Step 4: Simplify right side
    1,368,860.52x = 1,445,578,865,707.79
  5. Step 5: Solve for x
    x = 1,445,578,865,707.79/1,368,860.52
  6. Step 6: Final answer
    x = 1,056,045.41

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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.