Home / 1,432,856.77-1,977,355.17-779,497.02

Finding the Fourth Proportional to 1,432,856.77, 1,977,355.17 and 779,497.02

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Solution

The fourth proportional to 1,432,856.77, 1,977,355.17 and 779,497.02 is: 1,075,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,856.77 : 1,977,355.17 = 779,497.02 : x
  2. Step 2: Convert to fraction form
    1,432,856.77/1,977,355.17 = 779,497.02/x
  3. Step 3: Cross multiply
    1,432,856.77x = 1,977,355.17 × 779,497.02
  4. Step 4: Simplify right side
    1,432,856.77x = 1,541,342,462,496.59
  5. Step 5: Solve for x
    x = 1,541,342,462,496.59/1,432,856.77
  6. Step 6: Final answer
    x = 1,075,712.87

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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.