Home / 1,051,664.40-1,577,496.60-989,456.40

Finding the Fourth Proportional to 1,051,664.40, 1,577,496.60 and 989,456.40

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Solution

The fourth proportional to 1,051,664.40, 1,577,496.60 and 989,456.40 is: 1,484,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,664.40 : 1,577,496.60 = 989,456.40 : x
  2. Step 2: Convert to fraction form
    1,051,664.40/1,577,496.60 = 989,456.40/x
  3. Step 3: Cross multiply
    1,051,664.40x = 1,577,496.60 × 989,456.40
  4. Step 4: Simplify right side
    1,051,664.40x = 1,560,864,106,848.24
  5. Step 5: Solve for x
    x = 1,560,864,106,848.24/1,051,664.40
  6. Step 6: Final answer
    x = 1,484,184.60

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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.