Home / 1,500,480.54-2,070,663.26-821,417.04

Finding the Fourth Proportional to 1,500,480.54, 2,070,663.26 and 821,417.04

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Solution

The fourth proportional to 1,500,480.54, 2,070,663.26 and 821,417.04 is: 1,133,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,480.54 : 2,070,663.26 = 821,417.04 : x
  2. Step 2: Convert to fraction form
    1,500,480.54/2,070,663.26 = 821,417.04/x
  3. Step 3: Cross multiply
    1,500,480.54x = 2,070,663.26 × 821,417.04
  4. Step 4: Simplify right side
    1,500,480.54x = 1,700,878,081,758.87
  5. Step 5: Solve for x
    x = 1,700,878,081,758.87/1,500,480.54
  6. Step 6: Final answer
    x = 1,133,555.58

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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.