Home / 1,472,758.20-2,209,007.70-407,705.40

Finding the Fourth Proportional to 1,472,758.20, 2,209,007.70 and 407,705.40

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Solution

The fourth proportional to 1,472,758.20, 2,209,007.70 and 407,705.40 is: 611,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,758.20 : 2,209,007.70 = 407,705.40 : x
  2. Step 2: Convert to fraction form
    1,472,758.20/2,209,007.70 = 407,705.40/x
  3. Step 3: Cross multiply
    1,472,758.20x = 2,209,007.70 × 407,705.40
  4. Step 4: Simplify right side
    1,472,758.20x = 900,624,367,931.58
  5. Step 5: Solve for x
    x = 900,624,367,931.58/1,472,758.20
  6. Step 6: Final answer
    x = 611,522.22

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1.5x scale

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.