Home / 1,520,462.85-2,280,770.12-455,403.40

Finding the Fourth Proportional to 1,520,462.85, 2,280,770.12 and 455,403.40

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Solution

The fourth proportional to 1,520,462.85, 2,280,770.12 and 455,403.40 is: 683,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,462.85 : 2,280,770.12 = 455,403.40 : x
  2. Step 2: Convert to fraction form
    1,520,462.85/2,280,770.12 = 455,403.40/x
  3. Step 3: Cross multiply
    1,520,462.85x = 2,280,770.12 × 455,403.40
  4. Step 4: Simplify right side
    1,520,462.85x = 1,038,670,462,702.99
  5. Step 5: Solve for x
    x = 1,038,670,462,702.99/1,520,462.85
  6. Step 6: Final answer
    x = 683,127.82

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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.