Home / 1,316,022.08-1,816,023.43-764,688.90

Finding the Fourth Proportional to 1,316,022.08, 1,816,023.43 and 764,688.90

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Solution

The fourth proportional to 1,316,022.08, 1,816,023.43 and 764,688.90 is: 1,055,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,022.08 : 1,816,023.43 = 764,688.90 : x
  2. Step 2: Convert to fraction form
    1,316,022.08/1,816,023.43 = 764,688.90/x
  3. Step 3: Cross multiply
    1,316,022.08x = 1,816,023.43 × 764,688.90
  4. Step 4: Simplify right side
    1,316,022.08x = 1,388,692,955,237.48
  5. Step 5: Solve for x
    x = 1,388,692,955,237.48/1,316,022.08
  6. Step 6: Final answer
    x = 1,055,220.10

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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.