Home / 1,316,913.90-1,817,334.86-736,136.90

Finding the Fourth Proportional to 1,316,913.90, 1,817,334.86 and 736,136.90

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Solution

The fourth proportional to 1,316,913.90, 1,817,334.86 and 736,136.90 is: 1,015,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,913.90 : 1,817,334.86 = 736,136.90 : x
  2. Step 2: Convert to fraction form
    1,316,913.90/1,817,334.86 = 736,136.90/x
  3. Step 3: Cross multiply
    1,316,913.90x = 1,817,334.86 × 736,136.90
  4. Step 4: Simplify right side
    1,316,913.90x = 1,337,807,250,102.33
  5. Step 5: Solve for x
    x = 1,337,807,250,102.33/1,316,913.90
  6. Step 6: Final answer
    x = 1,015,865.39

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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.