Home / 1,290,254.33-1,780,596.77-709,522.00

Finding the Fourth Proportional to 1,290,254.33, 1,780,596.77 and 709,522.00

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Solution

The fourth proportional to 1,290,254.33, 1,780,596.77 and 709,522.00 is: 979,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,254.33 : 1,780,596.77 = 709,522.00 : x
  2. Step 2: Convert to fraction form
    1,290,254.33/1,780,596.77 = 709,522.00/x
  3. Step 3: Cross multiply
    1,290,254.33x = 1,780,596.77 × 709,522.00
  4. Step 4: Simplify right side
    1,290,254.33x = 1,263,372,573,444.84
  5. Step 5: Solve for x
    x = 1,263,372,573,444.84/1,290,254.33
  6. Step 6: Final answer
    x = 979,165.53

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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.