Home / 1,390,370.80-2,086,345.14-750,666.01

Finding the Fourth Proportional to 1,390,370.80, 2,086,345.14 and 750,666.01

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Solution

The fourth proportional to 1,390,370.80, 2,086,345.14 and 750,666.01 is: 1,126,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,370.80 : 2,086,345.14 = 750,666.01 : x
  2. Step 2: Convert to fraction form
    1,390,370.80/2,086,345.14 = 750,666.01/x
  3. Step 3: Cross multiply
    1,390,370.80x = 2,086,345.14 × 750,666.01
  4. Step 4: Simplify right side
    1,390,370.80x = 1,566,148,367,541.64
  5. Step 5: Solve for x
    x = 1,566,148,367,541.64/1,390,370.80
  6. Step 6: Final answer
    x = 1,126,424.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.