Home / 1,182,396-1,631,746.80-645,886.56

Finding the Fourth Proportional to 1,182,396, 1,631,746.80 and 645,886.56

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Solution

The fourth proportional to 1,182,396, 1,631,746.80 and 645,886.56 is: 891,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,396 : 1,631,746.80 = 645,886.56 : x
  2. Step 2: Convert to fraction form
    1,182,396/1,631,746.80 = 645,886.56/x
  3. Step 3: Cross multiply
    1,182,396x = 1,631,746.80 × 645,886.56
  4. Step 4: Simplify right side
    1,182,396x = 1,053,923,327,443.01
  5. Step 5: Solve for x
    x = 1,053,923,327,443.01/1,182,396
  6. Step 6: Final answer
    x = 891,345.48

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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.