Home / 1,123,742.15-1,550,915.88-633,812.23

Finding the Fourth Proportional to 1,123,742.15, 1,550,915.88 and 633,812.23

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Solution

The fourth proportional to 1,123,742.15, 1,550,915.88 and 633,812.23 is: 874,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,742.15 : 1,550,915.88 = 633,812.23 : x
  2. Step 2: Convert to fraction form
    1,123,742.15/1,550,915.88 = 633,812.23/x
  3. Step 3: Cross multiply
    1,123,742.15x = 1,550,915.88 × 633,812.23
  4. Step 4: Simplify right side
    1,123,742.15x = 982,989,452,445.21
  5. Step 5: Solve for x
    x = 982,989,452,445.21/1,123,742.15
  6. Step 6: Final answer
    x = 874,746.45

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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.