Home / 923,393.60-1,385,090.40-776,427.20

Finding the Fourth Proportional to 923,393.60, 1,385,090.40 and 776,427.20

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Solution

The fourth proportional to 923,393.60, 1,385,090.40 and 776,427.20 is: 1,164,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,393.60 : 1,385,090.40 = 776,427.20 : x
  2. Step 2: Convert to fraction form
    923,393.60/1,385,090.40 = 776,427.20/x
  3. Step 3: Cross multiply
    923,393.60x = 1,385,090.40 × 776,427.20
  4. Step 4: Simplify right side
    923,393.60x = 1,075,421,861,018.88
  5. Step 5: Solve for x
    x = 1,075,421,861,018.88/923,393.60
  6. Step 6: Final answer
    x = 1,164,640.80

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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.