Home / 945,228.80-1,415,218.80-918,984.80

Finding the Fourth Proportional to 945,228.80, 1,415,218.80 and 918,984.80

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Solution

The fourth proportional to 945,228.80, 1,415,218.80 and 918,984.80 is: 1,375,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,228.80 : 1,415,218.80 = 918,984.80 : x
  2. Step 2: Convert to fraction form
    945,228.80/1,415,218.80 = 918,984.80/x
  3. Step 3: Cross multiply
    945,228.80x = 1,415,218.80 × 918,984.80
  4. Step 4: Simplify right side
    945,228.80x = 1,300,564,565,874.24
  5. Step 5: Solve for x
    x = 1,300,564,565,874.24/945,228.80
  6. Step 6: Final answer
    x = 1,375,925.67

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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.