Home / 1,316,856.12-1,975,286.72-507,621.62

Finding the Fourth Proportional to 1,316,856.12, 1,975,286.72 and 507,621.62

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Solution

The fourth proportional to 1,316,856.12, 1,975,286.72 and 507,621.62 is: 761,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,856.12 : 1,975,286.72 = 507,621.62 : x
  2. Step 2: Convert to fraction form
    1,316,856.12/1,975,286.72 = 507,621.62/x
  3. Step 3: Cross multiply
    1,316,856.12x = 1,975,286.72 × 507,621.62
  4. Step 4: Simplify right side
    1,316,856.12x = 1,002,698,235,211.72
  5. Step 5: Solve for x
    x = 1,002,698,235,211.72/1,316,856.12
  6. Step 6: Final answer
    x = 761,433.40

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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.