Home / 1,146,649.60-1,582,374.72-637,399.36

Finding the Fourth Proportional to 1,146,649.60, 1,582,374.72 and 637,399.36

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Solution

The fourth proportional to 1,146,649.60, 1,582,374.72 and 637,399.36 is: 879,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,649.60 : 1,582,374.72 = 637,399.36 : x
  2. Step 2: Convert to fraction form
    1,146,649.60/1,582,374.72 = 637,399.36/x
  3. Step 3: Cross multiply
    1,146,649.60x = 1,582,374.72 × 637,399.36
  4. Step 4: Simplify right side
    1,146,649.60x = 1,008,604,633,808.18
  5. Step 5: Solve for x
    x = 1,008,604,633,808.18/1,146,649.60
  6. Step 6: Final answer
    x = 879,610.16

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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.