Home / 1,422,830.04-2,134,248.64-581,381.76

Finding the Fourth Proportional to 1,422,830.04, 2,134,248.64 and 581,381.76

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Solution

The fourth proportional to 1,422,830.04, 2,134,248.64 and 581,381.76 is: 872,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,830.04 : 2,134,248.64 = 581,381.76 : x
  2. Step 2: Convert to fraction form
    1,422,830.04/2,134,248.64 = 581,381.76/x
  3. Step 3: Cross multiply
    1,422,830.04x = 2,134,248.64 × 581,381.76
  4. Step 4: Simplify right side
    1,422,830.04x = 1,240,813,230,600.81
  5. Step 5: Solve for x
    x = 1,240,813,230,600.81/1,422,830.04
  6. Step 6: Final answer
    x = 872,074.10

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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.