Home / 1,059,494.40-1,587,859.20-490,809.60

Finding the Fourth Proportional to 1,059,494.40, 1,587,859.20 and 490,809.60

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Solution

The fourth proportional to 1,059,494.40, 1,587,859.20 and 490,809.60 is: 735,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,494.40 : 1,587,859.20 = 490,809.60 : x
  2. Step 2: Convert to fraction form
    1,059,494.40/1,587,859.20 = 490,809.60/x
  3. Step 3: Cross multiply
    1,059,494.40x = 1,587,859.20 × 490,809.60
  4. Step 4: Simplify right side
    1,059,494.40x = 779,336,538,808.32
  5. Step 5: Solve for x
    x = 779,336,538,808.32/1,059,494.40
  6. Step 6: Final answer
    x = 735,574.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.