Home / 1,038,648.20-1,557,795.66-290,520.20

Finding the Fourth Proportional to 1,038,648.20, 1,557,795.66 and 290,520.20

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Solution

The fourth proportional to 1,038,648.20, 1,557,795.66 and 290,520.20 is: 435,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,648.20 : 1,557,795.66 = 290,520.20 : x
  2. Step 2: Convert to fraction form
    1,038,648.20/1,557,795.66 = 290,520.20/x
  3. Step 3: Cross multiply
    1,038,648.20x = 1,557,795.66 × 290,520.20
  4. Step 4: Simplify right side
    1,038,648.20x = 452,571,106,702.33
  5. Step 5: Solve for x
    x = 452,571,106,702.33/1,038,648.20
  6. Step 6: Final answer
    x = 435,730.89

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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.