Home / 1,073,143.70-1,609,931.55-314,983.70

Finding the Fourth Proportional to 1,073,143.70, 1,609,931.55 and 314,983.70

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Solution

The fourth proportional to 1,073,143.70, 1,609,931.55 and 314,983.70 is: 472,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,143.70 : 1,609,931.55 = 314,983.70 : x
  2. Step 2: Convert to fraction form
    1,073,143.70/1,609,931.55 = 314,983.70/x
  3. Step 3: Cross multiply
    1,073,143.70x = 1,609,931.55 × 314,983.70
  4. Step 4: Simplify right side
    1,073,143.70x = 507,102,196,365.74
  5. Step 5: Solve for x
    x = 507,102,196,365.74/1,073,143.70
  6. Step 6: Final answer
    x = 472,538.95

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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.