Home / 1,020,359.80-1,530,701.70-346,504.60

Finding the Fourth Proportional to 1,020,359.80, 1,530,701.70 and 346,504.60

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Solution

The fourth proportional to 1,020,359.80, 1,530,701.70 and 346,504.60 is: 519,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,359.80 : 1,530,701.70 = 346,504.60 : x
  2. Step 2: Convert to fraction form
    1,020,359.80/1,530,701.70 = 346,504.60/x
  3. Step 3: Cross multiply
    1,020,359.80x = 1,530,701.70 × 346,504.60
  4. Step 4: Simplify right side
    1,020,359.80x = 530,395,180,277.82
  5. Step 5: Solve for x
    x = 530,395,180,277.82/1,020,359.80
  6. Step 6: Final answer
    x = 519,811.91

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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.