Home / 1,298,064.40-1,946,513.40-499,080.40

Finding the Fourth Proportional to 1,298,064.40, 1,946,513.40 and 499,080.40

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Solution

The fourth proportional to 1,298,064.40, 1,946,513.40 and 499,080.40 is: 748,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,064.40 : 1,946,513.40 = 499,080.40 : x
  2. Step 2: Convert to fraction form
    1,298,064.40/1,946,513.40 = 499,080.40/x
  3. Step 3: Cross multiply
    1,298,064.40x = 1,946,513.40 × 499,080.40
  4. Step 4: Simplify right side
    1,298,064.40x = 971,466,686,277.36
  5. Step 5: Solve for x
    x = 971,466,686,277.36/1,298,064.40
  6. Step 6: Final answer
    x = 748,396.37

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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.