Home / 1,019,597.48-1,529,296.89-309,631.67

Finding the Fourth Proportional to 1,019,597.48, 1,529,296.89 and 309,631.67

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Solution

The fourth proportional to 1,019,597.48, 1,529,296.89 and 309,631.67 is: 464,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,597.48 : 1,529,296.89 = 309,631.67 : x
  2. Step 2: Convert to fraction form
    1,019,597.48/1,529,296.89 = 309,631.67/x
  3. Step 3: Cross multiply
    1,019,597.48x = 1,529,296.89 × 309,631.67
  4. Step 4: Simplify right side
    1,019,597.48x = 473,518,749,976.51
  5. Step 5: Solve for x
    x = 473,518,749,976.51/1,019,597.48
  6. Step 6: Final answer
    x = 464,417.34

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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.