Home / 1,429,214.47-1,972,319.32-784,676.16

Finding the Fourth Proportional to 1,429,214.47, 1,972,319.32 and 784,676.16

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Solution

The fourth proportional to 1,429,214.47, 1,972,319.32 and 784,676.16 is: 1,082,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,214.47 : 1,972,319.32 = 784,676.16 : x
  2. Step 2: Convert to fraction form
    1,429,214.47/1,972,319.32 = 784,676.16/x
  3. Step 3: Cross multiply
    1,429,214.47x = 1,972,319.32 × 784,676.16
  4. Step 4: Simplify right side
    1,429,214.47x = 1,547,631,951,292.26
  5. Step 5: Solve for x
    x = 1,547,631,951,292.26/1,429,214.47
  6. Step 6: Final answer
    x = 1,082,854.94

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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.