Home / 1,280,608.63-1,767,030.10-757,246.65

Finding the Fourth Proportional to 1,280,608.63, 1,767,030.10 and 757,246.65

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Solution

The fourth proportional to 1,280,608.63, 1,767,030.10 and 757,246.65 is: 1,044,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,608.63 : 1,767,030.10 = 757,246.65 : x
  2. Step 2: Convert to fraction form
    1,280,608.63/1,767,030.10 = 757,246.65/x
  3. Step 3: Cross multiply
    1,280,608.63x = 1,767,030.10 × 757,246.65
  4. Step 4: Simplify right side
    1,280,608.63x = 1,338,077,623,674.17
  5. Step 5: Solve for x
    x = 1,338,077,623,674.17/1,280,608.63
  6. Step 6: Final answer
    x = 1,044,876.31

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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.