Home / 1,570,316.68-2,355,424.78-659,981.44

Finding the Fourth Proportional to 1,570,316.68, 2,355,424.78 and 659,981.44

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Solution

The fourth proportional to 1,570,316.68, 2,355,424.78 and 659,981.44 is: 989,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,316.68 : 2,355,424.78 = 659,981.44 : x
  2. Step 2: Convert to fraction form
    1,570,316.68/2,355,424.78 = 659,981.44/x
  3. Step 3: Cross multiply
    1,570,316.68x = 2,355,424.78 × 659,981.44
  4. Step 4: Simplify right side
    1,570,316.68x = 1,554,536,638,116.08
  5. Step 5: Solve for x
    x = 1,554,536,638,116.08/1,570,316.68
  6. Step 6: Final answer
    x = 989,951.04

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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.