Home / 1,500,036.40-2,070,055.66-811,708.22

Finding the Fourth Proportional to 1,500,036.40, 2,070,055.66 and 811,708.22

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Solution

The fourth proportional to 1,500,036.40, 2,070,055.66 and 811,708.22 is: 1,120,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,036.40 : 2,070,055.66 = 811,708.22 : x
  2. Step 2: Convert to fraction form
    1,500,036.40/2,070,055.66 = 811,708.22/x
  3. Step 3: Cross multiply
    1,500,036.40x = 2,070,055.66 × 811,708.22
  4. Step 4: Simplify right side
    1,500,036.40x = 1,680,281,195,079.53
  5. Step 5: Solve for x
    x = 1,680,281,195,079.53/1,500,036.40
  6. Step 6: Final answer
    x = 1,120,160.28

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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.