Home / 1,205,889.48-1,664,147-662,075.40

Finding the Fourth Proportional to 1,205,889.48, 1,664,147 and 662,075.40

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Solution

The fourth proportional to 1,205,889.48, 1,664,147 and 662,075.40 is: 913,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,889.48 : 1,664,147 = 662,075.40 : x
  2. Step 2: Convert to fraction form
    1,205,889.48/1,664,147 = 662,075.40/x
  3. Step 3: Cross multiply
    1,205,889.48x = 1,664,147 × 662,075.40
  4. Step 4: Simplify right side
    1,205,889.48x = 1,101,790,790,683.80
  5. Step 5: Solve for x
    x = 1,101,790,790,683.80/1,205,889.48
  6. Step 6: Final answer
    x = 913,674.77

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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.