Home / 1,428,329.53-2,141,366.95-708,174.69

Finding the Fourth Proportional to 1,428,329.53, 2,141,366.95 and 708,174.69

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Solution

The fourth proportional to 1,428,329.53, 2,141,366.95 and 708,174.69 is: 1,061,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,329.53 : 2,141,366.95 = 708,174.69 : x
  2. Step 2: Convert to fraction form
    1,428,329.53/2,141,366.95 = 708,174.69/x
  3. Step 3: Cross multiply
    1,428,329.53x = 2,141,366.95 × 708,174.69
  4. Step 4: Simplify right side
    1,428,329.53x = 1,516,461,875,992.50
  5. Step 5: Solve for x
    x = 1,516,461,875,992.50/1,428,329.53
  6. Step 6: Final answer
    x = 1,061,703.09

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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.