Home / 1,456,023.18-2,009,370.06-811,437.60

Finding the Fourth Proportional to 1,456,023.18, 2,009,370.06 and 811,437.60

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Solution

The fourth proportional to 1,456,023.18, 2,009,370.06 and 811,437.60 is: 1,119,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,023.18 : 2,009,370.06 = 811,437.60 : x
  2. Step 2: Convert to fraction form
    1,456,023.18/2,009,370.06 = 811,437.60/x
  3. Step 3: Cross multiply
    1,456,023.18x = 2,009,370.06 × 811,437.60
  4. Step 4: Simplify right side
    1,456,023.18x = 1,630,478,418,998.26
  5. Step 5: Solve for x
    x = 1,630,478,418,998.26/1,456,023.18
  6. Step 6: Final answer
    x = 1,119,816.25

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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.