Home / 1,086,946.40-1,630,808.40-456,053.60

Finding the Fourth Proportional to 1,086,946.40, 1,630,808.40 and 456,053.60

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Solution

The fourth proportional to 1,086,946.40, 1,630,808.40 and 456,053.60 is: 684,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,946.40 : 1,630,808.40 = 456,053.60 : x
  2. Step 2: Convert to fraction form
    1,086,946.40/1,630,808.40 = 456,053.60/x
  3. Step 3: Cross multiply
    1,086,946.40x = 1,630,808.40 × 456,053.60
  4. Step 4: Simplify right side
    1,086,946.40x = 743,736,041,730.24
  5. Step 5: Solve for x
    x = 743,736,041,730.24/1,086,946.40
  6. Step 6: Final answer
    x = 684,243.53

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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.