Home / 942,431.60-1,413,647.40-755,807.60

Finding the Fourth Proportional to 942,431.60, 1,413,647.40 and 755,807.60

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Solution

The fourth proportional to 942,431.60, 1,413,647.40 and 755,807.60 is: 1,133,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,431.60 : 1,413,647.40 = 755,807.60 : x
  2. Step 2: Convert to fraction form
    942,431.60/1,413,647.40 = 755,807.60/x
  3. Step 3: Cross multiply
    942,431.60x = 1,413,647.40 × 755,807.60
  4. Step 4: Simplify right side
    942,431.60x = 1,068,445,448,640.24
  5. Step 5: Solve for x
    x = 1,068,445,448,640.24/942,431.60
  6. Step 6: Final answer
    x = 1,133,711.40

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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.