Home / 1,480,282.40-2,219,905.20-770,074.40

Finding the Fourth Proportional to 1,480,282.40, 2,219,905.20 and 770,074.40

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Solution

The fourth proportional to 1,480,282.40, 2,219,905.20 and 770,074.40 is: 1,154,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,282.40 : 2,219,905.20 = 770,074.40 : x
  2. Step 2: Convert to fraction form
    1,480,282.40/2,219,905.20 = 770,074.40/x
  3. Step 3: Cross multiply
    1,480,282.40x = 2,219,905.20 × 770,074.40
  4. Step 4: Simplify right side
    1,480,282.40x = 1,709,492,164,946.88
  5. Step 5: Solve for x
    x = 1,709,492,164,946.88/1,480,282.40
  6. Step 6: Final answer
    x = 1,154,841.92

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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.