Home / 1,782,721.28-2,674,898.40-772,152.32

Finding the Fourth Proportional to 1,782,721.28, 2,674,898.40 and 772,152.32

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Solution

The fourth proportional to 1,782,721.28, 2,674,898.40 and 772,152.32 is: 1,158,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,721.28 : 2,674,898.40 = 772,152.32 : x
  2. Step 2: Convert to fraction form
    1,782,721.28/2,674,898.40 = 772,152.32/x
  3. Step 3: Cross multiply
    1,782,721.28x = 2,674,898.40 × 772,152.32
  4. Step 4: Simplify right side
    1,782,721.28x = 2,065,429,005,324.29
  5. Step 5: Solve for x
    x = 2,065,429,005,324.29/1,782,721.28
  6. Step 6: Final answer
    x = 1,158,582.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.