Home / 1,038,229.36-1,557,345.48-290,274.64

Finding the Fourth Proportional to 1,038,229.36, 1,557,345.48 and 290,274.64

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Solution

The fourth proportional to 1,038,229.36, 1,557,345.48 and 290,274.64 is: 435,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,229.36 : 1,557,345.48 = 290,274.64 : x
  2. Step 2: Convert to fraction form
    1,038,229.36/1,557,345.48 = 290,274.64/x
  3. Step 3: Cross multiply
    1,038,229.36x = 1,557,345.48 × 290,274.64
  4. Step 4: Simplify right side
    1,038,229.36x = 452,057,898,562.63
  5. Step 5: Solve for x
    x = 452,057,898,562.63/1,038,229.36
  6. Step 6: Final answer
    x = 435,412.36

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Double scale
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Similar ratio
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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.