Home / 1,238,096.36-1,707,847.08-778,482.32

Finding the Fourth Proportional to 1,238,096.36, 1,707,847.08 and 778,482.32

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Solution

The fourth proportional to 1,238,096.36, 1,707,847.08 and 778,482.32 is: 1,073,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,096.36 : 1,707,847.08 = 778,482.32 : x
  2. Step 2: Convert to fraction form
    1,238,096.36/1,707,847.08 = 778,482.32/x
  3. Step 3: Cross multiply
    1,238,096.36x = 1,707,847.08 × 778,482.32
  4. Step 4: Simplify right side
    1,238,096.36x = 1,329,528,757,043.63
  5. Step 5: Solve for x
    x = 1,329,528,757,043.63/1,238,096.36
  6. Step 6: Final answer
    x = 1,073,849.18

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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.