Home / 1,578,492.68-2,367,002.93-820,130.27

Finding the Fourth Proportional to 1,578,492.68, 2,367,002.93 and 820,130.27

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Solution

The fourth proportional to 1,578,492.68, 2,367,002.93 and 820,130.27 is: 1,229,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,492.68 : 2,367,002.93 = 820,130.27 : x
  2. Step 2: Convert to fraction form
    1,578,492.68/2,367,002.93 = 820,130.27/x
  3. Step 3: Cross multiply
    1,578,492.68x = 2,367,002.93 × 820,130.27
  4. Step 4: Simplify right side
    1,578,492.68x = 1,941,250,736,136.03
  5. Step 5: Solve for x
    x = 1,941,250,736,136.03/1,578,492.68
  6. Step 6: Final answer
    x = 1,229,812.95

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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.