Home / 1,618,346.40-2,426,744.28-764,707.68

Finding the Fourth Proportional to 1,618,346.40, 2,426,744.28 and 764,707.68

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Solution

The fourth proportional to 1,618,346.40, 2,426,744.28 and 764,707.68 is: 1,146,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,346.40 : 2,426,744.28 = 764,707.68 : x
  2. Step 2: Convert to fraction form
    1,618,346.40/2,426,744.28 = 764,707.68/x
  3. Step 3: Cross multiply
    1,618,346.40x = 2,426,744.28 × 764,707.68
  4. Step 4: Simplify right side
    1,618,346.40x = 1,855,749,988,312.07
  5. Step 5: Solve for x
    x = 1,855,749,988,312.07/1,618,346.40
  6. Step 6: Final answer
    x = 1,146,695.16

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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.