Home / 1,343,988.34-1,854,703.09-740,376.34

Finding the Fourth Proportional to 1,343,988.34, 1,854,703.09 and 740,376.34

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Solution

The fourth proportional to 1,343,988.34, 1,854,703.09 and 740,376.34 is: 1,021,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,988.34 : 1,854,703.09 = 740,376.34 : x
  2. Step 2: Convert to fraction form
    1,343,988.34/1,854,703.09 = 740,376.34/x
  3. Step 3: Cross multiply
    1,343,988.34x = 1,854,703.09 × 740,376.34
  4. Step 4: Simplify right side
    1,343,988.34x = 1,373,178,272,585.49
  5. Step 5: Solve for x
    x = 1,373,178,272,585.49/1,343,988.34
  6. Step 6: Final answer
    x = 1,021,718.89

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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.