Home / 1,298,085.40-1,946,544.90-499,101.40

Finding the Fourth Proportional to 1,298,085.40, 1,946,544.90 and 499,101.40

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Solution

The fourth proportional to 1,298,085.40, 1,946,544.90 and 499,101.40 is: 748,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,085.40 : 1,946,544.90 = 499,101.40 : x
  2. Step 2: Convert to fraction form
    1,298,085.40/1,946,544.90 = 499,101.40/x
  3. Step 3: Cross multiply
    1,298,085.40x = 1,946,544.90 × 499,101.40
  4. Step 4: Simplify right side
    1,298,085.40x = 971,523,284,752.86
  5. Step 5: Solve for x
    x = 971,523,284,752.86/1,298,085.40
  6. Step 6: Final answer
    x = 748,427.87

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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.