Home / 1,239,322.28-1,710,278.50-688,075.54

Finding the Fourth Proportional to 1,239,322.28, 1,710,278.50 and 688,075.54

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Solution

The fourth proportional to 1,239,322.28, 1,710,278.50 and 688,075.54 is: 949,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,322.28 : 1,710,278.50 = 688,075.54 : x
  2. Step 2: Convert to fraction form
    1,239,322.28/1,710,278.50 = 688,075.54/x
  3. Step 3: Cross multiply
    1,239,322.28x = 1,710,278.50 × 688,075.54
  4. Step 4: Simplify right side
    1,239,322.28x = 1,176,800,802,437.89
  5. Step 5: Solve for x
    x = 1,176,800,802,437.89/1,239,322.28
  6. Step 6: Final answer
    x = 949,551.88

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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.