Home / 1,326,626.16-1,989,744.84-652,526.52

Finding the Fourth Proportional to 1,326,626.16, 1,989,744.84 and 652,526.52

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Solution

The fourth proportional to 1,326,626.16, 1,989,744.84 and 652,526.52 is: 978,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,626.16 : 1,989,744.84 = 652,526.52 : x
  2. Step 2: Convert to fraction form
    1,326,626.16/1,989,744.84 = 652,526.52/x
  3. Step 3: Cross multiply
    1,326,626.16x = 1,989,744.84 × 652,526.52
  4. Step 4: Simplify right side
    1,326,626.16x = 1,298,361,276,133.16
  5. Step 5: Solve for x
    x = 1,298,361,276,133.16/1,326,626.16
  6. Step 6: Final answer
    x = 978,694.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.