Home / 1,679,313.81-2,315,621.65-1,134,503.62

Finding the Fourth Proportional to 1,679,313.81, 2,315,621.65 and 1,134,503.62

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Solution

The fourth proportional to 1,679,313.81, 2,315,621.65 and 1,134,503.62 is: 1,564,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,313.81 : 2,315,621.65 = 1,134,503.62 : x
  2. Step 2: Convert to fraction form
    1,679,313.81/2,315,621.65 = 1,134,503.62/x
  3. Step 3: Cross multiply
    1,679,313.81x = 2,315,621.65 × 1,134,503.62
  4. Step 4: Simplify right side
    1,679,313.81x = 2,627,081,144,475.37
  5. Step 5: Solve for x
    x = 2,627,081,144,475.37/1,679,313.81
  6. Step 6: Final answer
    x = 1,564,377.74

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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.