Home / 1,500,528.66-2,070,729.42-821,465.16

Finding the Fourth Proportional to 1,500,528.66, 2,070,729.42 and 821,465.16

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Solution

The fourth proportional to 1,500,528.66, 2,070,729.42 and 821,465.16 is: 1,133,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,528.66 : 2,070,729.42 = 821,465.16 : x
  2. Step 2: Convert to fraction form
    1,500,528.66/2,070,729.42 = 821,465.16/x
  3. Step 3: Cross multiply
    1,500,528.66x = 2,070,729.42 × 821,465.16
  4. Step 4: Simplify right side
    1,500,528.66x = 1,701,032,074,317.01
  5. Step 5: Solve for x
    x = 1,701,032,074,317.01/1,500,528.66
  6. Step 6: Final answer
    x = 1,133,621.85

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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.