Home / 1,322,808.63-1,825,423.05-778,967.34

Finding the Fourth Proportional to 1,322,808.63, 1,825,423.05 and 778,967.34

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Solution

The fourth proportional to 1,322,808.63, 1,825,423.05 and 778,967.34 is: 1,074,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,808.63 : 1,825,423.05 = 778,967.34 : x
  2. Step 2: Convert to fraction form
    1,322,808.63/1,825,423.05 = 778,967.34/x
  3. Step 3: Cross multiply
    1,322,808.63x = 1,825,423.05 × 778,967.34
  4. Step 4: Simplify right side
    1,322,808.63x = 1,421,944,937,633.19
  5. Step 5: Solve for x
    x = 1,421,944,937,633.19/1,322,808.63
  6. Step 6: Final answer
    x = 1,074,943.80

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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.