Home / 1,216,802.43-1,823,916.56-458,315.71

Finding the Fourth Proportional to 1,216,802.43, 1,823,916.56 and 458,315.71

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Solution

The fourth proportional to 1,216,802.43, 1,823,916.56 and 458,315.71 is: 686,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,802.43 : 1,823,916.56 = 458,315.71 : x
  2. Step 2: Convert to fraction form
    1,216,802.43/1,823,916.56 = 458,315.71/x
  3. Step 3: Cross multiply
    1,216,802.43x = 1,823,916.56 × 458,315.71
  4. Step 4: Simplify right side
    1,216,802.43x = 835,929,606,325.79
  5. Step 5: Solve for x
    x = 835,929,606,325.79/1,216,802.43
  6. Step 6: Final answer
    x = 686,988.77

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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.