Home / 1,301,070.80-1,949,014.20-1,145,205.20

Finding the Fourth Proportional to 1,301,070.80, 1,949,014.20 and 1,145,205.20

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Solution

The fourth proportional to 1,301,070.80, 1,949,014.20 and 1,145,205.20 is: 1,715,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,070.80 : 1,949,014.20 = 1,145,205.20 : x
  2. Step 2: Convert to fraction form
    1,301,070.80/1,949,014.20 = 1,145,205.20/x
  3. Step 3: Cross multiply
    1,301,070.80x = 1,949,014.20 × 1,145,205.20
  4. Step 4: Simplify right side
    1,301,070.80x = 2,232,021,196,713.84
  5. Step 5: Solve for x
    x = 2,232,021,196,713.84/1,301,070.80
  6. Step 6: Final answer
    x = 1,715,526.32

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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.