Home / 1,130,146.80-1,695,438.90-331,454.40

Finding the Fourth Proportional to 1,130,146.80, 1,695,438.90 and 331,454.40

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Solution

The fourth proportional to 1,130,146.80, 1,695,438.90 and 331,454.40 is: 497,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,146.80 : 1,695,438.90 = 331,454.40 : x
  2. Step 2: Convert to fraction form
    1,130,146.80/1,695,438.90 = 331,454.40/x
  3. Step 3: Cross multiply
    1,130,146.80x = 1,695,438.90 × 331,454.40
  4. Step 4: Simplify right side
    1,130,146.80x = 561,960,683,336.16
  5. Step 5: Solve for x
    x = 561,960,683,336.16/1,130,146.80
  6. Step 6: Final answer
    x = 497,245.74

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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.