Home / 1,240,278.61-1,711,771.65-757,125.01

Finding the Fourth Proportional to 1,240,278.61, 1,711,771.65 and 757,125.01

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Solution

The fourth proportional to 1,240,278.61, 1,711,771.65 and 757,125.01 is: 1,044,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,278.61 : 1,711,771.65 = 757,125.01 : x
  2. Step 2: Convert to fraction form
    1,240,278.61/1,711,771.65 = 757,125.01/x
  3. Step 3: Cross multiply
    1,240,278.61x = 1,711,771.65 × 757,125.01
  4. Step 4: Simplify right side
    1,240,278.61x = 1,296,025,127,623.97
  5. Step 5: Solve for x
    x = 1,296,025,127,623.97/1,240,278.61
  6. Step 6: Final answer
    x = 1,044,946.77

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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.