Home / 1,157,291.53-1,600,109.87-1,013,639.45

Finding the Fourth Proportional to 1,157,291.53, 1,600,109.87 and 1,013,639.45

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Solution

The fourth proportional to 1,157,291.53, 1,600,109.87 and 1,013,639.45 is: 1,401,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,291.53 : 1,600,109.87 = 1,013,639.45 : x
  2. Step 2: Convert to fraction form
    1,157,291.53/1,600,109.87 = 1,013,639.45/x
  3. Step 3: Cross multiply
    1,157,291.53x = 1,600,109.87 × 1,013,639.45
  4. Step 4: Simplify right side
    1,157,291.53x = 1,621,934,475,497.62
  5. Step 5: Solve for x
    x = 1,621,934,475,497.62/1,157,291.53
  6. Step 6: Final answer
    x = 1,401,491.70

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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.