Home / 1,580,374.41-2,180,916.63-855,222.12

Finding the Fourth Proportional to 1,580,374.41, 2,180,916.63 and 855,222.12

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Solution

The fourth proportional to 1,580,374.41, 2,180,916.63 and 855,222.12 is: 1,180,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,374.41 : 2,180,916.63 = 855,222.12 : x
  2. Step 2: Convert to fraction form
    1,580,374.41/2,180,916.63 = 855,222.12/x
  3. Step 3: Cross multiply
    1,580,374.41x = 2,180,916.63 × 855,222.12
  4. Step 4: Simplify right side
    1,580,374.41x = 1,865,168,143,851.86
  5. Step 5: Solve for x
    x = 1,865,168,143,851.86/1,580,374.41
  6. Step 6: Final answer
    x = 1,180,206.50

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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.