Home / 1,673,349.42-2,309,157.18-909,386.58

Finding the Fourth Proportional to 1,673,349.42, 2,309,157.18 and 909,386.58

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Solution

The fourth proportional to 1,673,349.42, 2,309,157.18 and 909,386.58 is: 1,254,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,349.42 : 2,309,157.18 = 909,386.58 : x
  2. Step 2: Convert to fraction form
    1,673,349.42/2,309,157.18 = 909,386.58/x
  3. Step 3: Cross multiply
    1,673,349.42x = 2,309,157.18 × 909,386.58
  4. Step 4: Simplify right side
    1,673,349.42x = 2,099,916,550,602.64
  5. Step 5: Solve for x
    x = 2,099,916,550,602.64/1,673,349.42
  6. Step 6: Final answer
    x = 1,254,918.15

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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.