Home / 1,500,214.24-2,070,302.24-811,886.20

Finding the Fourth Proportional to 1,500,214.24, 2,070,302.24 and 811,886.20

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Solution

The fourth proportional to 1,500,214.24, 2,070,302.24 and 811,886.20 is: 1,120,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,214.24 : 2,070,302.24 = 811,886.20 : x
  2. Step 2: Convert to fraction form
    1,500,214.24/2,070,302.24 = 811,886.20/x
  3. Step 3: Cross multiply
    1,500,214.24x = 2,070,302.24 × 811,886.20
  4. Step 4: Simplify right side
    1,500,214.24x = 1,680,849,815,339.05
  5. Step 5: Solve for x
    x = 1,680,849,815,339.05/1,500,214.24
  6. Step 6: Final answer
    x = 1,120,406.52

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1.5x scale

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.