Home / 1,432,428.84-1,976,761.80-779,054.76

Finding the Fourth Proportional to 1,432,428.84, 1,976,761.80 and 779,054.76

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Solution

The fourth proportional to 1,432,428.84, 1,976,761.80 and 779,054.76 is: 1,075,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,428.84 : 1,976,761.80 = 779,054.76 : x
  2. Step 2: Convert to fraction form
    1,432,428.84/1,976,761.80 = 779,054.76/x
  3. Step 3: Cross multiply
    1,432,428.84x = 1,976,761.80 × 779,054.76
  4. Step 4: Simplify right side
    1,432,428.84x = 1,540,005,689,676.17
  5. Step 5: Solve for x
    x = 1,540,005,689,676.17/1,432,428.84
  6. Step 6: Final answer
    x = 1,075,101.01

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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.