Home / 1,965,700.35-2,947,386.96-766,222.38

Finding the Fourth Proportional to 1,965,700.35, 2,947,386.96 and 766,222.38

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Solution

The fourth proportional to 1,965,700.35, 2,947,386.96 and 766,222.38 is: 1,148,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,700.35 : 2,947,386.96 = 766,222.38 : x
  2. Step 2: Convert to fraction form
    1,965,700.35/2,947,386.96 = 766,222.38/x
  3. Step 3: Cross multiply
    1,965,700.35x = 2,947,386.96 × 766,222.38
  4. Step 4: Simplify right side
    1,965,700.35x = 2,258,353,851,272.16
  5. Step 5: Solve for x
    x = 2,258,353,851,272.16/1,965,700.35
  6. Step 6: Final answer
    x = 1,148,880.02

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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.