Home / 1,007,038.86-1,510,558.35-342,190.86

Finding the Fourth Proportional to 1,007,038.86, 1,510,558.35 and 342,190.86

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Solution

The fourth proportional to 1,007,038.86, 1,510,558.35 and 342,190.86 is: 513,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,038.86 : 1,510,558.35 = 342,190.86 : x
  2. Step 2: Convert to fraction form
    1,007,038.86/1,510,558.35 = 342,190.86/x
  3. Step 3: Cross multiply
    1,007,038.86x = 1,510,558.35 × 342,190.86
  4. Step 4: Simplify right side
    1,007,038.86x = 516,899,260,866.68
  5. Step 5: Solve for x
    x = 516,899,260,866.68/1,007,038.86
  6. Step 6: Final answer
    x = 513,286.31

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Double scale
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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.