Home / 1,038,321.40-1,554,026.10-753,201.40

Finding the Fourth Proportional to 1,038,321.40, 1,554,026.10 and 753,201.40

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Solution

The fourth proportional to 1,038,321.40, 1,554,026.10 and 753,201.40 is: 1,127,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,321.40 : 1,554,026.10 = 753,201.40 : x
  2. Step 2: Convert to fraction form
    1,038,321.40/1,554,026.10 = 753,201.40/x
  3. Step 3: Cross multiply
    1,038,321.40x = 1,554,026.10 × 753,201.40
  4. Step 4: Simplify right side
    1,038,321.40x = 1,170,494,634,156.54
  5. Step 5: Solve for x
    x = 1,170,494,634,156.54/1,038,321.40
  6. Step 6: Final answer
    x = 1,127,295.11

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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.