Home / 1,500,923.34-2,071,275.54-812,595.66

Finding the Fourth Proportional to 1,500,923.34, 2,071,275.54 and 812,595.66

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Solution

The fourth proportional to 1,500,923.34, 2,071,275.54 and 812,595.66 is: 1,121,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,923.34 : 2,071,275.54 = 812,595.66 : x
  2. Step 2: Convert to fraction form
    1,500,923.34/2,071,275.54 = 812,595.66/x
  3. Step 3: Cross multiply
    1,500,923.34x = 2,071,275.54 × 812,595.66
  4. Step 4: Simplify right side
    1,500,923.34x = 1,683,109,514,468.16
  5. Step 5: Solve for x
    x = 1,683,109,514,468.16/1,500,923.34
  6. Step 6: Final answer
    x = 1,121,382.73

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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.