Home / 1,429,035.30-1,972,091.07-784,514.25

Finding the Fourth Proportional to 1,429,035.30, 1,972,091.07 and 784,514.25

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Solution

The fourth proportional to 1,429,035.30, 1,972,091.07 and 784,514.25 is: 1,082,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,035.30 : 1,972,091.07 = 784,514.25 : x
  2. Step 2: Convert to fraction form
    1,429,035.30/1,972,091.07 = 784,514.25/x
  3. Step 3: Cross multiply
    1,429,035.30x = 1,972,091.07 × 784,514.25
  4. Step 4: Simplify right side
    1,429,035.30x = 1,547,133,546,712.75
  5. Step 5: Solve for x
    x = 1,547,133,546,712.75/1,429,035.30
  6. Step 6: Final answer
    x = 1,082,641.94

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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.