Home / 1,429,447.91-1,972,666.32-784,862.46

Finding the Fourth Proportional to 1,429,447.91, 1,972,666.32 and 784,862.46

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Solution

The fourth proportional to 1,429,447.91, 1,972,666.32 and 784,862.46 is: 1,083,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,447.91 : 1,972,666.32 = 784,862.46 : x
  2. Step 2: Convert to fraction form
    1,429,447.91/1,972,666.32 = 784,862.46/x
  3. Step 3: Cross multiply
    1,429,447.91x = 1,972,666.32 × 784,862.46
  4. Step 4: Simplify right side
    1,429,447.91x = 1,548,271,740,674.35
  5. Step 5: Solve for x
    x = 1,548,271,740,674.35/1,429,447.91
  6. Step 6: Final answer
    x = 1,083,125.68

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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.