Home / 945,455.80-1,415,559.30-919,211.80

Finding the Fourth Proportional to 945,455.80, 1,415,559.30 and 919,211.80

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Solution

The fourth proportional to 945,455.80, 1,415,559.30 and 919,211.80 is: 1,376,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,455.80 : 1,415,559.30 = 919,211.80 : x
  2. Step 2: Convert to fraction form
    945,455.80/1,415,559.30 = 919,211.80/x
  3. Step 3: Cross multiply
    945,455.80x = 1,415,559.30 × 919,211.80
  4. Step 4: Simplify right side
    945,455.80x = 1,301,198,812,159.74
  5. Step 5: Solve for x
    x = 1,301,198,812,159.74/945,455.80
  6. Step 6: Final answer
    x = 1,376,266.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.