Home / 1,624,397.93-2,240,965.47-979,459.83

Finding the Fourth Proportional to 1,624,397.93, 2,240,965.47 and 979,459.83

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Solution

The fourth proportional to 1,624,397.93, 2,240,965.47 and 979,459.83 is: 1,351,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,397.93 : 2,240,965.47 = 979,459.83 : x
  2. Step 2: Convert to fraction form
    1,624,397.93/2,240,965.47 = 979,459.83/x
  3. Step 3: Cross multiply
    1,624,397.93x = 2,240,965.47 × 979,459.83
  4. Step 4: Simplify right side
    1,624,397.93x = 2,194,935,653,551.42
  5. Step 5: Solve for x
    x = 2,194,935,653,551.42/1,624,397.93
  6. Step 6: Final answer
    x = 1,351,230.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.