Home / 1,091,332.56-1,628,463.78-977,856.84

Finding the Fourth Proportional to 1,091,332.56, 1,628,463.78 and 977,856.84

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Solution

The fourth proportional to 1,091,332.56, 1,628,463.78 and 977,856.84 is: 1,459,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,332.56 : 1,628,463.78 = 977,856.84 : x
  2. Step 2: Convert to fraction form
    1,091,332.56/1,628,463.78 = 977,856.84/x
  3. Step 3: Cross multiply
    1,091,332.56x = 1,628,463.78 × 977,856.84
  4. Step 4: Simplify right side
    1,091,332.56x = 1,592,404,445,965.26
  5. Step 5: Solve for x
    x = 1,592,404,445,965.26/1,091,332.56
  6. Step 6: Final answer
    x = 1,459,137.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.