Home / 1,542,886.28-2,314,696.35-643,828.40

Finding the Fourth Proportional to 1,542,886.28, 2,314,696.35 and 643,828.40

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Solution

The fourth proportional to 1,542,886.28, 2,314,696.35 and 643,828.40 is: 965,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,886.28 : 2,314,696.35 = 643,828.40 : x
  2. Step 2: Convert to fraction form
    1,542,886.28/2,314,696.35 = 643,828.40/x
  3. Step 3: Cross multiply
    1,542,886.28x = 2,314,696.35 × 643,828.40
  4. Step 4: Simplify right side
    1,542,886.28x = 1,490,267,247,506.34
  5. Step 5: Solve for x
    x = 1,490,267,247,506.34/1,542,886.28
  6. Step 6: Final answer
    x = 965,895.72

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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.