Home / 1,439,127.83-2,155,250.28-830,069.84

Finding the Fourth Proportional to 1,439,127.83, 2,155,250.28 and 830,069.84

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Solution

The fourth proportional to 1,439,127.83, 2,155,250.28 and 830,069.84 is: 1,243,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,127.83 : 2,155,250.28 = 830,069.84 : x
  2. Step 2: Convert to fraction form
    1,439,127.83/2,155,250.28 = 830,069.84/x
  3. Step 3: Cross multiply
    1,439,127.83x = 2,155,250.28 × 830,069.84
  4. Step 4: Simplify right side
    1,439,127.83x = 1,789,008,244,303.30
  5. Step 5: Solve for x
    x = 1,789,008,244,303.30/1,439,127.83
  6. Step 6: Final answer
    x = 1,243,119.77

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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.