Home / 1,457,712.54-2,011,646.55-813,174.48

Finding the Fourth Proportional to 1,457,712.54, 2,011,646.55 and 813,174.48

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Solution

The fourth proportional to 1,457,712.54, 2,011,646.55 and 813,174.48 is: 1,122,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,712.54 : 2,011,646.55 = 813,174.48 : x
  2. Step 2: Convert to fraction form
    1,457,712.54/2,011,646.55 = 813,174.48/x
  3. Step 3: Cross multiply
    1,457,712.54x = 2,011,646.55 × 813,174.48
  4. Step 4: Simplify right side
    1,457,712.54x = 1,635,819,637,240.04
  5. Step 5: Solve for x
    x = 1,635,819,637,240.04/1,457,712.54
  6. Step 6: Final answer
    x = 1,122,182.59

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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.