Home / 1,427,434.35-2,141,136.95-480,798.69

Finding the Fourth Proportional to 1,427,434.35, 2,141,136.95 and 480,798.69

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Solution

The fourth proportional to 1,427,434.35, 2,141,136.95 and 480,798.69 is: 721,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,434.35 : 2,141,136.95 = 480,798.69 : x
  2. Step 2: Convert to fraction form
    1,427,434.35/2,141,136.95 = 480,798.69/x
  3. Step 3: Cross multiply
    1,427,434.35x = 2,141,136.95 × 480,798.69
  4. Step 4: Simplify right side
    1,427,434.35x = 1,029,455,838,266.60
  5. Step 5: Solve for x
    x = 1,029,455,838,266.60/1,427,434.35
  6. Step 6: Final answer
    x = 721,193.12

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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.