Home / 1,434,502.51-1,979,613.27-789,921.11

Finding the Fourth Proportional to 1,434,502.51, 1,979,613.27 and 789,921.11

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Solution

The fourth proportional to 1,434,502.51, 1,979,613.27 and 789,921.11 is: 1,090,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,502.51 : 1,979,613.27 = 789,921.11 : x
  2. Step 2: Convert to fraction form
    1,434,502.51/1,979,613.27 = 789,921.11/x
  3. Step 3: Cross multiply
    1,434,502.51x = 1,979,613.27 × 789,921.11
  4. Step 4: Simplify right side
    1,434,502.51x = 1,563,738,316,558.16
  5. Step 5: Solve for x
    x = 1,563,738,316,558.16/1,434,502.51
  6. Step 6: Final answer
    x = 1,090,091.03

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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.