Home / 1,113,748.59-1,536,979.28-630,314.67

Finding the Fourth Proportional to 1,113,748.59, 1,536,979.28 and 630,314.67

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Solution

The fourth proportional to 1,113,748.59, 1,536,979.28 and 630,314.67 is: 869,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,748.59 : 1,536,979.28 = 630,314.67 : x
  2. Step 2: Convert to fraction form
    1,113,748.59/1,536,979.28 = 630,314.67/x
  3. Step 3: Cross multiply
    1,113,748.59x = 1,536,979.28 × 630,314.67
  4. Step 4: Simplify right side
    1,113,748.59x = 968,780,584,518.46
  5. Step 5: Solve for x
    x = 968,780,584,518.46/1,113,748.59
  6. Step 6: Final answer
    x = 869,837.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.