Home / 1,250,038.16-1,723,918.80-820,154.96

Finding the Fourth Proportional to 1,250,038.16, 1,723,918.80 and 820,154.96

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Solution

The fourth proportional to 1,250,038.16, 1,723,918.80 and 820,154.96 is: 1,131,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,038.16 : 1,723,918.80 = 820,154.96 : x
  2. Step 2: Convert to fraction form
    1,250,038.16/1,723,918.80 = 820,154.96/x
  3. Step 3: Cross multiply
    1,250,038.16x = 1,723,918.80 × 820,154.96
  4. Step 4: Simplify right side
    1,250,038.16x = 1,413,880,554,457.25
  5. Step 5: Solve for x
    x = 1,413,880,554,457.25/1,250,038.16
  6. Step 6: Final answer
    x = 1,131,069.91

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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.