Home / 1,332,436.80-2,000,210.40-764,270.40

Finding the Fourth Proportional to 1,332,436.80, 2,000,210.40 and 764,270.40

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Solution

The fourth proportional to 1,332,436.80, 2,000,210.40 and 764,270.40 is: 1,147,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,436.80 : 2,000,210.40 = 764,270.40 : x
  2. Step 2: Convert to fraction form
    1,332,436.80/2,000,210.40 = 764,270.40/x
  3. Step 3: Cross multiply
    1,332,436.80x = 2,000,210.40 × 764,270.40
  4. Step 4: Simplify right side
    1,332,436.80x = 1,528,701,602,492.16
  5. Step 5: Solve for x
    x = 1,528,701,602,492.16/1,332,436.80
  6. Step 6: Final answer
    x = 1,147,297.64

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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.