Home / 1,103,661.42-1,522,916.08-638,595.24

Finding the Fourth Proportional to 1,103,661.42, 1,522,916.08 and 638,595.24

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Solution

The fourth proportional to 1,103,661.42, 1,522,916.08 and 638,595.24 is: 881,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,661.42 : 1,522,916.08 = 638,595.24 : x
  2. Step 2: Convert to fraction form
    1,103,661.42/1,522,916.08 = 638,595.24/x
  3. Step 3: Cross multiply
    1,103,661.42x = 1,522,916.08 × 638,595.24
  4. Step 4: Simplify right side
    1,103,661.42x = 972,526,959,607.46
  5. Step 5: Solve for x
    x = 972,526,959,607.46/1,103,661.42
  6. Step 6: Final answer
    x = 881,182.35

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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.