Home / 1,342,301.51-1,852,376.36-738,689.51

Finding the Fourth Proportional to 1,342,301.51, 1,852,376.36 and 738,689.51

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Solution

The fourth proportional to 1,342,301.51, 1,852,376.36 and 738,689.51 is: 1,019,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,301.51 : 1,852,376.36 = 738,689.51 : x
  2. Step 2: Convert to fraction form
    1,342,301.51/1,852,376.36 = 738,689.51/x
  3. Step 3: Cross multiply
    1,342,301.51x = 1,852,376.36 × 738,689.51
  4. Step 4: Simplify right side
    1,342,301.51x = 1,368,330,972,748.65
  5. Step 5: Solve for x
    x = 1,368,330,972,748.65/1,342,301.51
  6. Step 6: Final answer
    x = 1,019,391.67

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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.