Home / 1,501,102.32-2,071,522.18-812,774.67

Finding the Fourth Proportional to 1,501,102.32, 2,071,522.18 and 812,774.67

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Solution

The fourth proportional to 1,501,102.32, 2,071,522.18 and 812,774.67 is: 1,121,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,102.32 : 2,071,522.18 = 812,774.67 : x
  2. Step 2: Convert to fraction form
    1,501,102.32/2,071,522.18 = 812,774.67/x
  3. Step 3: Cross multiply
    1,501,102.32x = 2,071,522.18 × 812,774.67
  4. Step 4: Simplify right side
    1,501,102.32x = 1,683,680,745,889.57
  5. Step 5: Solve for x
    x = 1,683,680,745,889.57/1,501,102.32
  6. Step 6: Final answer
    x = 1,121,629.57

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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.