Home / 1,426,339.60-1,968,090.60-916,925.20

Finding the Fourth Proportional to 1,426,339.60, 1,968,090.60 and 916,925.20

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Solution

The fourth proportional to 1,426,339.60, 1,968,090.60 and 916,925.20 is: 1,265,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,339.60 : 1,968,090.60 = 916,925.20 : x
  2. Step 2: Convert to fraction form
    1,426,339.60/1,968,090.60 = 916,925.20/x
  3. Step 3: Cross multiply
    1,426,339.60x = 1,968,090.60 × 916,925.20
  4. Step 4: Simplify right side
    1,426,339.60x = 1,804,591,867,023.12
  5. Step 5: Solve for x
    x = 1,804,591,867,023.12/1,426,339.60
  6. Step 6: Final answer
    x = 1,265,190.89

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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.