Home / 1,130,435.64-1,559,910.69-646,889.94

Finding the Fourth Proportional to 1,130,435.64, 1,559,910.69 and 646,889.94

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Solution

The fourth proportional to 1,130,435.64, 1,559,910.69 and 646,889.94 is: 892,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,435.64 : 1,559,910.69 = 646,889.94 : x
  2. Step 2: Convert to fraction form
    1,130,435.64/1,559,910.69 = 646,889.94/x
  3. Step 3: Cross multiply
    1,130,435.64x = 1,559,910.69 × 646,889.94
  4. Step 4: Simplify right side
    1,130,435.64x = 1,009,090,532,659.46
  5. Step 5: Solve for x
    x = 1,009,090,532,659.46/1,130,435.64
  6. Step 6: Final answer
    x = 892,656.33

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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.