Home / 1,120,140.09-1,545,341.67-648,337.47

Finding the Fourth Proportional to 1,120,140.09, 1,545,341.67 and 648,337.47

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Solution

The fourth proportional to 1,120,140.09, 1,545,341.67 and 648,337.47 is: 894,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,140.09 : 1,545,341.67 = 648,337.47 : x
  2. Step 2: Convert to fraction form
    1,120,140.09/1,545,341.67 = 648,337.47/x
  3. Step 3: Cross multiply
    1,120,140.09x = 1,545,341.67 × 648,337.47
  4. Step 4: Simplify right side
    1,120,140.09x = 1,001,902,908,613.37
  5. Step 5: Solve for x
    x = 1,001,902,908,613.37/1,120,140.09
  6. Step 6: Final answer
    x = 894,444.29

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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.