Home / 1,119.04-1,670.40-1,036.69

Finding the Fourth Proportional to 1,119.04, 1,670.40 and 1,036.69

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Solution

The fourth proportional to 1,119.04, 1,670.40 and 1,036.69 is: 1,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119.04 : 1,670.40 = 1,036.69 : x
  2. Step 2: Convert to fraction form
    1,119.04/1,670.40 = 1,036.69/x
  3. Step 3: Cross multiply
    1,119.04x = 1,670.40 × 1,036.69
  4. Step 4: Simplify right side
    1,119.04x = 1,731,686.98
  5. Step 5: Solve for x
    x = 1,731,686.98/1,119.04
  6. Step 6: Final answer
    x = 1,547.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.