Home / 1,347,569.68-1,859,434.32-774,499.20

Finding the Fourth Proportional to 1,347,569.68, 1,859,434.32 and 774,499.20

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Solution

The fourth proportional to 1,347,569.68, 1,859,434.32 and 774,499.20 is: 1,068,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,569.68 : 1,859,434.32 = 774,499.20 : x
  2. Step 2: Convert to fraction form
    1,347,569.68/1,859,434.32 = 774,499.20/x
  3. Step 3: Cross multiply
    1,347,569.68x = 1,859,434.32 × 774,499.20
  4. Step 4: Simplify right side
    1,347,569.68x = 1,440,130,393,292.54
  5. Step 5: Solve for x
    x = 1,440,130,393,292.54/1,347,569.68
  6. Step 6: Final answer
    x = 1,068,687.14

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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.