Home / 1,500,511.02-2,070,705.23-821,447.52

Finding the Fourth Proportional to 1,500,511.02, 2,070,705.23 and 821,447.52

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Solution

The fourth proportional to 1,500,511.02, 2,070,705.23 and 821,447.52 is: 1,133,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,511.02 : 2,070,705.23 = 821,447.52 : x
  2. Step 2: Convert to fraction form
    1,500,511.02/2,070,705.23 = 821,447.52/x
  3. Step 3: Cross multiply
    1,500,511.02x = 2,070,705.23 × 821,447.52
  4. Step 4: Simplify right side
    1,500,511.02x = 1,700,975,675,834.53
  5. Step 5: Solve for x
    x = 1,700,975,675,834.53/1,500,511.02
  6. Step 6: Final answer
    x = 1,133,597.59

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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.