Home / 1,064,410.80-1,596,616.20-764,257.20

Finding the Fourth Proportional to 1,064,410.80, 1,596,616.20 and 764,257.20

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Solution

The fourth proportional to 1,064,410.80, 1,596,616.20 and 764,257.20 is: 1,146,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,410.80 : 1,596,616.20 = 764,257.20 : x
  2. Step 2: Convert to fraction form
    1,064,410.80/1,596,616.20 = 764,257.20/x
  3. Step 3: Cross multiply
    1,064,410.80x = 1,596,616.20 × 764,257.20
  4. Step 4: Simplify right side
    1,064,410.80x = 1,220,225,426,486.64
  5. Step 5: Solve for x
    x = 1,220,225,426,486.64/1,064,410.80
  6. Step 6: Final answer
    x = 1,146,385.80

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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.