Home / 1,007,124.80-1,510,737.39-287,573.22

Finding the Fourth Proportional to 1,007,124.80, 1,510,737.39 and 287,573.22

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Solution

The fourth proportional to 1,007,124.80, 1,510,737.39 and 287,573.22 is: 431,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,124.80 : 1,510,737.39 = 287,573.22 : x
  2. Step 2: Convert to fraction form
    1,007,124.80/1,510,737.39 = 287,573.22/x
  3. Step 3: Cross multiply
    1,007,124.80x = 1,510,737.39 × 287,573.22
  4. Step 4: Simplify right side
    1,007,124.80x = 434,447,615,816.70
  5. Step 5: Solve for x
    x = 434,447,615,816.70/1,007,124.80
  6. Step 6: Final answer
    x = 431,374.16

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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.