Home / 1,686,486-2,525,675.51-964,639.32

Finding the Fourth Proportional to 1,686,486, 2,525,675.51 and 964,639.32

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Solution

The fourth proportional to 1,686,486, 2,525,675.51 and 964,639.32 is: 1,444,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,486 : 2,525,675.51 = 964,639.32 : x
  2. Step 2: Convert to fraction form
    1,686,486/2,525,675.51 = 964,639.32/x
  3. Step 3: Cross multiply
    1,686,486x = 2,525,675.51 × 964,639.32
  4. Step 4: Simplify right side
    1,686,486x = 2,436,365,901,683.86
  5. Step 5: Solve for x
    x = 2,436,365,901,683.86/1,686,486
  6. Step 6: Final answer
    x = 1,444,640.45

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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.