Home / 1,424,107.40-1,965,271.16-779,568.76

Finding the Fourth Proportional to 1,424,107.40, 1,965,271.16 and 779,568.76

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Solution

The fourth proportional to 1,424,107.40, 1,965,271.16 and 779,568.76 is: 1,075,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,107.40 : 1,965,271.16 = 779,568.76 : x
  2. Step 2: Convert to fraction form
    1,424,107.40/1,965,271.16 = 779,568.76/x
  3. Step 3: Cross multiply
    1,424,107.40x = 1,965,271.16 × 779,568.76
  4. Step 4: Simplify right side
    1,424,107.40x = 1,532,064,001,264.96
  5. Step 5: Solve for x
    x = 1,532,064,001,264.96/1,424,107.40
  6. Step 6: Final answer
    x = 1,075,806.50

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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.