Home / 1,347,804.40-1,860,013.60-735,989.12

Finding the Fourth Proportional to 1,347,804.40, 1,860,013.60 and 735,989.12

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Solution

The fourth proportional to 1,347,804.40, 1,860,013.60 and 735,989.12 is: 1,015,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,804.40 : 1,860,013.60 = 735,989.12 : x
  2. Step 2: Convert to fraction form
    1,347,804.40/1,860,013.60 = 735,989.12/x
  3. Step 3: Cross multiply
    1,347,804.40x = 1,860,013.60 × 735,989.12
  4. Step 4: Simplify right side
    1,347,804.40x = 1,368,949,772,652.03
  5. Step 5: Solve for x
    x = 1,368,949,772,652.03/1,347,804.40
  6. Step 6: Final answer
    x = 1,015,688.75

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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.