Home / 1,619,521.47-2,429,275.28-659,763.02

Finding the Fourth Proportional to 1,619,521.47, 2,429,275.28 and 659,763.02

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Solution

The fourth proportional to 1,619,521.47, 2,429,275.28 and 659,763.02 is: 989,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,521.47 : 2,429,275.28 = 659,763.02 : x
  2. Step 2: Convert to fraction form
    1,619,521.47/2,429,275.28 = 659,763.02/x
  3. Step 3: Cross multiply
    1,619,521.47x = 2,429,275.28 × 659,763.02
  4. Step 4: Simplify right side
    1,619,521.47x = 1,602,745,984,647.18
  5. Step 5: Solve for x
    x = 1,602,745,984,647.18/1,619,521.47
  6. Step 6: Final answer
    x = 989,641.70

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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.