Home / 1,421,035.84-2,133,071.16-611,821

Finding the Fourth Proportional to 1,421,035.84, 2,133,071.16 and 611,821

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Solution

The fourth proportional to 1,421,035.84, 2,133,071.16 and 611,821 is: 918,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,035.84 : 2,133,071.16 = 611,821 : x
  2. Step 2: Convert to fraction form
    1,421,035.84/2,133,071.16 = 611,821/x
  3. Step 3: Cross multiply
    1,421,035.84x = 2,133,071.16 × 611,821
  4. Step 4: Simplify right side
    1,421,035.84x = 1,305,057,730,182.36
  5. Step 5: Solve for x
    x = 1,305,057,730,182.36/1,421,035.84
  6. Step 6: Final answer
    x = 918,384.81

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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.