Home / 1,015,323.75-1,401,115.05-556,429.98

Finding the Fourth Proportional to 1,015,323.75, 1,401,115.05 and 556,429.98

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Solution

The fourth proportional to 1,015,323.75, 1,401,115.05 and 556,429.98 is: 767,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,323.75 : 1,401,115.05 = 556,429.98 : x
  2. Step 2: Convert to fraction form
    1,015,323.75/1,401,115.05 = 556,429.98/x
  3. Step 3: Cross multiply
    1,015,323.75x = 1,401,115.05 × 556,429.98
  4. Step 4: Simplify right side
    1,015,323.75x = 779,622,409,461.47
  5. Step 5: Solve for x
    x = 779,622,409,461.47/1,015,323.75
  6. Step 6: Final answer
    x = 767,855.98

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1.5x scale

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.