Home / 1,500,035.23-2,070,036.44-820,970.11

Finding the Fourth Proportional to 1,500,035.23, 2,070,036.44 and 820,970.11

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Solution

The fourth proportional to 1,500,035.23, 2,070,036.44 and 820,970.11 is: 1,132,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,035.23 : 2,070,036.44 = 820,970.11 : x
  2. Step 2: Convert to fraction form
    1,500,035.23/2,070,036.44 = 820,970.11/x
  3. Step 3: Cross multiply
    1,500,035.23x = 2,070,036.44 × 820,970.11
  4. Step 4: Simplify right side
    1,500,035.23x = 1,699,438,039,745.96
  5. Step 5: Solve for x
    x = 1,699,438,039,745.96/1,500,035.23
  6. Step 6: Final answer
    x = 1,132,932.08

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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.