Home / 1,611,807.20-2,417,710.80-1,139,415.20

Finding the Fourth Proportional to 1,611,807.20, 2,417,710.80 and 1,139,415.20

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Solution

The fourth proportional to 1,611,807.20, 2,417,710.80 and 1,139,415.20 is: 1,709,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,807.20 : 2,417,710.80 = 1,139,415.20 : x
  2. Step 2: Convert to fraction form
    1,611,807.20/2,417,710.80 = 1,139,415.20/x
  3. Step 3: Cross multiply
    1,611,807.20x = 2,417,710.80 × 1,139,415.20
  4. Step 4: Simplify right side
    1,611,807.20x = 2,754,776,434,724.16
  5. Step 5: Solve for x
    x = 2,754,776,434,724.16/1,611,807.20
  6. Step 6: Final answer
    x = 1,709,122.80

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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.