Home / 1,320,946.38-1,822,280.09-891,364.91

Finding the Fourth Proportional to 1,320,946.38, 1,822,280.09 and 891,364.91

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Solution

The fourth proportional to 1,320,946.38, 1,822,280.09 and 891,364.91 is: 1,229,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,946.38 : 1,822,280.09 = 891,364.91 : x
  2. Step 2: Convert to fraction form
    1,320,946.38/1,822,280.09 = 891,364.91/x
  3. Step 3: Cross multiply
    1,320,946.38x = 1,822,280.09 × 891,364.91
  4. Step 4: Simplify right side
    1,320,946.38x = 1,624,316,514,849.42
  5. Step 5: Solve for x
    x = 1,624,316,514,849.42/1,320,946.38
  6. Step 6: Final answer
    x = 1,229,661.20

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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.