Home / 1,297,776.34-1,790,754.41-724,743.46

Finding the Fourth Proportional to 1,297,776.34, 1,790,754.41 and 724,743.46

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Solution

The fourth proportional to 1,297,776.34, 1,790,754.41 and 724,743.46 is: 1,000,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,776.34 : 1,790,754.41 = 724,743.46 : x
  2. Step 2: Convert to fraction form
    1,297,776.34/1,790,754.41 = 724,743.46/x
  3. Step 3: Cross multiply
    1,297,776.34x = 1,790,754.41 × 724,743.46
  4. Step 4: Simplify right side
    1,297,776.34x = 1,297,837,547,113.66
  5. Step 5: Solve for x
    x = 1,297,837,547,113.66/1,297,776.34
  6. Step 6: Final answer
    x = 1,000,047.16

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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.