Home / 1,600,721.84-2,208,913.68-875,428.40

Finding the Fourth Proportional to 1,600,721.84, 2,208,913.68 and 875,428.40

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Solution

The fourth proportional to 1,600,721.84, 2,208,913.68 and 875,428.40 is: 1,208,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,721.84 : 2,208,913.68 = 875,428.40 : x
  2. Step 2: Convert to fraction form
    1,600,721.84/2,208,913.68 = 875,428.40/x
  3. Step 3: Cross multiply
    1,600,721.84x = 2,208,913.68 × 875,428.40
  4. Step 4: Simplify right side
    1,600,721.84x = 1,933,745,768,620.51
  5. Step 5: Solve for x
    x = 1,933,745,768,620.51/1,600,721.84
  6. Step 6: Final answer
    x = 1,208,046.10

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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.