Home / 1,036,638.80-1,555,649.40-475,384.40

Finding the Fourth Proportional to 1,036,638.80, 1,555,649.40 and 475,384.40

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Solution

The fourth proportional to 1,036,638.80, 1,555,649.40 and 475,384.40 is: 713,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638.80 : 1,555,649.40 = 475,384.40 : x
  2. Step 2: Convert to fraction form
    1,036,638.80/1,555,649.40 = 475,384.40/x
  3. Step 3: Cross multiply
    1,036,638.80x = 1,555,649.40 × 475,384.40
  4. Step 4: Simplify right side
    1,036,638.80x = 739,531,456,629.36
  5. Step 5: Solve for x
    x = 739,531,456,629.36/1,036,638.80
  6. Step 6: Final answer
    x = 713,393.57

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1.5x scale

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.