Home / 1,038,501.20-1,557,751.80-478,629.20

Finding the Fourth Proportional to 1,038,501.20, 1,557,751.80 and 478,629.20

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Solution

The fourth proportional to 1,038,501.20, 1,557,751.80 and 478,629.20 is: 717,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,501.20 : 1,557,751.80 = 478,629.20 : x
  2. Step 2: Convert to fraction form
    1,038,501.20/1,557,751.80 = 478,629.20/x
  3. Step 3: Cross multiply
    1,038,501.20x = 1,557,751.80 × 478,629.20
  4. Step 4: Simplify right side
    1,038,501.20x = 745,585,497,832.56
  5. Step 5: Solve for x
    x = 745,585,497,832.56/1,038,501.20
  6. Step 6: Final answer
    x = 717,943.80

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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.