Home / 1,424,018.34-1,965,163.76-779,424.69

Finding the Fourth Proportional to 1,424,018.34, 1,965,163.76 and 779,424.69

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Solution

The fourth proportional to 1,424,018.34, 1,965,163.76 and 779,424.69 is: 1,075,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,018.34 : 1,965,163.76 = 779,424.69 : x
  2. Step 2: Convert to fraction form
    1,424,018.34/1,965,163.76 = 779,424.69/x
  3. Step 3: Cross multiply
    1,424,018.34x = 1,965,163.76 × 779,424.69
  4. Step 4: Simplify right side
    1,424,018.34x = 1,531,697,154,437.23
  5. Step 5: Solve for x
    x = 1,531,697,154,437.23/1,424,018.34
  6. Step 6: Final answer
    x = 1,075,616.17

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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.