Home / 1,280,107.17-1,766,482.92-707,036.61

Finding the Fourth Proportional to 1,280,107.17, 1,766,482.92 and 707,036.61

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Solution

The fourth proportional to 1,280,107.17, 1,766,482.92 and 707,036.61 is: 975,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,107.17 : 1,766,482.92 = 707,036.61 : x
  2. Step 2: Convert to fraction form
    1,280,107.17/1,766,482.92 = 707,036.61/x
  3. Step 3: Cross multiply
    1,280,107.17x = 1,766,482.92 × 707,036.61
  4. Step 4: Simplify right side
    1,280,107.17x = 1,248,968,095,379.70
  5. Step 5: Solve for x
    x = 1,248,968,095,379.70/1,280,107.17
  6. Step 6: Final answer
    x = 975,674.63

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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.