Home / 1,038,608.80-1,557,759.60-290,730.40

Finding the Fourth Proportional to 1,038,608.80, 1,557,759.60 and 290,730.40

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Solution

The fourth proportional to 1,038,608.80, 1,557,759.60 and 290,730.40 is: 436,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,608.80 : 1,557,759.60 = 290,730.40 : x
  2. Step 2: Convert to fraction form
    1,038,608.80/1,557,759.60 = 290,730.40/x
  3. Step 3: Cross multiply
    1,038,608.80x = 1,557,759.60 × 290,730.40
  4. Step 4: Simplify right side
    1,038,608.80x = 452,888,071,611.84
  5. Step 5: Solve for x
    x = 452,888,071,611.84/1,038,608.80
  6. Step 6: Final answer
    x = 436,052.60

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1.5x scale

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.