Home / 1,764,510.40-2,645,339.91-684,465.28

Finding the Fourth Proportional to 1,764,510.40, 2,645,339.91 and 684,465.28

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Solution

The fourth proportional to 1,764,510.40, 2,645,339.91 and 684,465.28 is: 1,026,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,510.40 : 2,645,339.91 = 684,465.28 : x
  2. Step 2: Convert to fraction form
    1,764,510.40/2,645,339.91 = 684,465.28/x
  3. Step 3: Cross multiply
    1,764,510.40x = 2,645,339.91 × 684,465.28
  4. Step 4: Simplify right side
    1,764,510.40x = 1,810,643,322,193.33
  5. Step 5: Solve for x
    x = 1,810,643,322,193.33/1,764,510.40
  6. Step 6: Final answer
    x = 1,026,144.89

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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.