Home / 1,317,358.73-1,817,398.22-881,916.32

Finding the Fourth Proportional to 1,317,358.73, 1,817,398.22 and 881,916.32

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Solution

The fourth proportional to 1,317,358.73, 1,817,398.22 and 881,916.32 is: 1,216,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,358.73 : 1,817,398.22 = 881,916.32 : x
  2. Step 2: Convert to fraction form
    1,317,358.73/1,817,398.22 = 881,916.32/x
  3. Step 3: Cross multiply
    1,317,358.73x = 1,817,398.22 × 881,916.32
  4. Step 4: Simplify right side
    1,317,358.73x = 1,602,793,136,660.38
  5. Step 5: Solve for x
    x = 1,602,793,136,660.38/1,317,358.73
  6. Step 6: Final answer
    x = 1,216,671.74

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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.