Home / 1,117,145.18-1,673,603.46-660,368.90

Finding the Fourth Proportional to 1,117,145.18, 1,673,603.46 and 660,368.90

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Solution

The fourth proportional to 1,117,145.18, 1,673,603.46 and 660,368.90 is: 989,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,145.18 : 1,673,603.46 = 660,368.90 : x
  2. Step 2: Convert to fraction form
    1,117,145.18/1,673,603.46 = 660,368.90/x
  3. Step 3: Cross multiply
    1,117,145.18x = 1,673,603.46 × 660,368.90
  4. Step 4: Simplify right side
    1,117,145.18x = 1,105,195,675,916.39
  5. Step 5: Solve for x
    x = 1,105,195,675,916.39/1,117,145.18
  6. Step 6: Final answer
    x = 989,303.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.