Home / 1,038,824.80-1,557,776.40-477,570.40

Finding the Fourth Proportional to 1,038,824.80, 1,557,776.40 and 477,570.40

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Solution

The fourth proportional to 1,038,824.80, 1,557,776.40 and 477,570.40 is: 716,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,824.80 : 1,557,776.40 = 477,570.40 : x
  2. Step 2: Convert to fraction form
    1,038,824.80/1,557,776.40 = 477,570.40/x
  3. Step 3: Cross multiply
    1,038,824.80x = 1,557,776.40 × 477,570.40
  4. Step 4: Simplify right side
    1,038,824.80x = 743,947,898,458.56
  5. Step 5: Solve for x
    x = 743,947,898,458.56/1,038,824.80
  6. Step 6: Final answer
    x = 716,143.76

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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.