Home / 1,216,427.60-1,824,665.70-317,813.60

Finding the Fourth Proportional to 1,216,427.60, 1,824,665.70 and 317,813.60

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Solution

The fourth proportional to 1,216,427.60, 1,824,665.70 and 317,813.60 is: 476,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,427.60 : 1,824,665.70 = 317,813.60 : x
  2. Step 2: Convert to fraction form
    1,216,427.60/1,824,665.70 = 317,813.60/x
  3. Step 3: Cross multiply
    1,216,427.60x = 1,824,665.70 × 317,813.60
  4. Step 4: Simplify right side
    1,216,427.60x = 579,903,574,913.52
  5. Step 5: Solve for x
    x = 579,903,574,913.52/1,216,427.60
  6. Step 6: Final answer
    x = 476,726.75

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Double scale
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1.5x scale

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.