Home / 1,284,756.18-1,772,978.70-703,995.90

Finding the Fourth Proportional to 1,284,756.18, 1,772,978.70 and 703,995.90

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Solution

The fourth proportional to 1,284,756.18, 1,772,978.70 and 703,995.90 is: 971,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,756.18 : 1,772,978.70 = 703,995.90 : x
  2. Step 2: Convert to fraction form
    1,284,756.18/1,772,978.70 = 703,995.90/x
  3. Step 3: Cross multiply
    1,284,756.18x = 1,772,978.70 × 703,995.90
  4. Step 4: Simplify right side
    1,284,756.18x = 1,248,169,735,587.33
  5. Step 5: Solve for x
    x = 1,248,169,735,587.33/1,284,756.18
  6. Step 6: Final answer
    x = 971,522.66

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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.