Home / 1,012,017.60-1,397,228.40-630,604.80

Finding the Fourth Proportional to 1,012,017.60, 1,397,228.40 and 630,604.80

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Solution

The fourth proportional to 1,012,017.60, 1,397,228.40 and 630,604.80 is: 870,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,017.60 : 1,397,228.40 = 630,604.80 : x
  2. Step 2: Convert to fraction form
    1,012,017.60/1,397,228.40 = 630,604.80/x
  3. Step 3: Cross multiply
    1,012,017.60x = 1,397,228.40 × 630,604.80
  4. Step 4: Simplify right side
    1,012,017.60x = 881,098,935,736.32
  5. Step 5: Solve for x
    x = 881,098,935,736.32/1,012,017.60
  6. Step 6: Final answer
    x = 870,635.98

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1.5x scale

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.