Home / 1,148,812.67-1,585,574.06-665,377.67

Finding the Fourth Proportional to 1,148,812.67, 1,585,574.06 and 665,377.67

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Solution

The fourth proportional to 1,148,812.67, 1,585,574.06 and 665,377.67 is: 918,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,812.67 : 1,585,574.06 = 665,377.67 : x
  2. Step 2: Convert to fraction form
    1,148,812.67/1,585,574.06 = 665,377.67/x
  3. Step 3: Cross multiply
    1,148,812.67x = 1,585,574.06 × 665,377.67
  4. Step 4: Simplify right side
    1,148,812.67x = 1,055,005,574,292.29
  5. Step 5: Solve for x
    x = 1,055,005,574,292.29/1,148,812.67
  6. Step 6: Final answer
    x = 918,344.30

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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.