Home / 1,113,000.30-1,669,565.07-314,214.98

Finding the Fourth Proportional to 1,113,000.30, 1,669,565.07 and 314,214.98

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Solution

The fourth proportional to 1,113,000.30, 1,669,565.07 and 314,214.98 is: 471,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,000.30 : 1,669,565.07 = 314,214.98 : x
  2. Step 2: Convert to fraction form
    1,113,000.30/1,669,565.07 = 314,214.98/x
  3. Step 3: Cross multiply
    1,113,000.30x = 1,669,565.07 × 314,214.98
  4. Step 4: Simplify right side
    1,113,000.30x = 524,602,346,730.92
  5. Step 5: Solve for x
    x = 524,602,346,730.92/1,113,000.30
  6. Step 6: Final answer
    x = 471,340.71

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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.