Home / 1,220,436.84-1,830,230.51-500,574.09

Finding the Fourth Proportional to 1,220,436.84, 1,830,230.51 and 500,574.09

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Solution

The fourth proportional to 1,220,436.84, 1,830,230.51 and 500,574.09 is: 750,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,436.84 : 1,830,230.51 = 500,574.09 : x
  2. Step 2: Convert to fraction form
    1,220,436.84/1,830,230.51 = 500,574.09/x
  3. Step 3: Cross multiply
    1,220,436.84x = 1,830,230.51 × 500,574.09
  4. Step 4: Simplify right side
    1,220,436.84x = 916,165,969,530.62
  5. Step 5: Solve for x
    x = 916,165,969,530.62/1,220,436.84
  6. Step 6: Final answer
    x = 750,686.92

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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.