Home / 1,343,356.13-1,853,804.93-731,516.42

Finding the Fourth Proportional to 1,343,356.13, 1,853,804.93 and 731,516.42

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Solution

The fourth proportional to 1,343,356.13, 1,853,804.93 and 731,516.42 is: 1,009,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,356.13 : 1,853,804.93 = 731,516.42 : x
  2. Step 2: Convert to fraction form
    1,343,356.13/1,853,804.93 = 731,516.42/x
  3. Step 3: Cross multiply
    1,343,356.13x = 1,853,804.93 × 731,516.42
  4. Step 4: Simplify right side
    1,343,356.13x = 1,356,088,732,845.34
  5. Step 5: Solve for x
    x = 1,356,088,732,845.34/1,343,356.13
  6. Step 6: Final answer
    x = 1,009,478.21

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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.