Home / 993,119.40-1,490,456.70-460,706.40

Finding the Fourth Proportional to 993,119.40, 1,490,456.70 and 460,706.40

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Solution

The fourth proportional to 993,119.40, 1,490,456.70 and 460,706.40 is: 691,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,119.40 : 1,490,456.70 = 460,706.40 : x
  2. Step 2: Convert to fraction form
    993,119.40/1,490,456.70 = 460,706.40/x
  3. Step 3: Cross multiply
    993,119.40x = 1,490,456.70 × 460,706.40
  4. Step 4: Simplify right side
    993,119.40x = 686,662,940,612.88
  5. Step 5: Solve for x
    x = 686,662,940,612.88/993,119.40
  6. Step 6: Final answer
    x = 691,420.33

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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.