Home / 1,038,018.80-1,557,076.80-328,102.40

Finding the Fourth Proportional to 1,038,018.80, 1,557,076.80 and 328,102.40

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Solution

The fourth proportional to 1,038,018.80, 1,557,076.80 and 328,102.40 is: 492,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,018.80 : 1,557,076.80 = 328,102.40 : x
  2. Step 2: Convert to fraction form
    1,038,018.80/1,557,076.80 = 328,102.40/x
  3. Step 3: Cross multiply
    1,038,018.80x = 1,557,076.80 × 328,102.40
  4. Step 4: Simplify right side
    1,038,018.80x = 510,880,635,064.32
  5. Step 5: Solve for x
    x = 510,880,635,064.32/1,038,018.80
  6. Step 6: Final answer
    x = 492,168.96

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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.