Home / 1,038,005.20-1,557,007.80-290,051.20

Finding the Fourth Proportional to 1,038,005.20, 1,557,007.80 and 290,051.20

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Solution

The fourth proportional to 1,038,005.20, 1,557,007.80 and 290,051.20 is: 435,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,005.20 : 1,557,007.80 = 290,051.20 : x
  2. Step 2: Convert to fraction form
    1,038,005.20/1,557,007.80 = 290,051.20/x
  3. Step 3: Cross multiply
    1,038,005.20x = 1,557,007.80 × 290,051.20
  4. Step 4: Simplify right side
    1,038,005.20x = 451,611,980,799.36
  5. Step 5: Solve for x
    x = 451,611,980,799.36/1,038,005.20
  6. Step 6: Final answer
    x = 435,076.80

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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.