Home / 1,072,700.76-1,609,001.90-314,511.64

Finding the Fourth Proportional to 1,072,700.76, 1,609,001.90 and 314,511.64

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Solution

The fourth proportional to 1,072,700.76, 1,609,001.90 and 314,511.64 is: 471,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,700.76 : 1,609,001.90 = 314,511.64 : x
  2. Step 2: Convert to fraction form
    1,072,700.76/1,609,001.90 = 314,511.64/x
  3. Step 3: Cross multiply
    1,072,700.76x = 1,609,001.90 × 314,511.64
  4. Step 4: Simplify right side
    1,072,700.76x = 506,049,826,332.12
  5. Step 5: Solve for x
    x = 506,049,826,332.12/1,072,700.76
  6. Step 6: Final answer
    x = 471,753.02

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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.