Home / 1,020,607.68-1,530,855.23-310,580.31

Finding the Fourth Proportional to 1,020,607.68, 1,530,855.23 and 310,580.31

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Solution

The fourth proportional to 1,020,607.68, 1,530,855.23 and 310,580.31 is: 465,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,607.68 : 1,530,855.23 = 310,580.31 : x
  2. Step 2: Convert to fraction form
    1,020,607.68/1,530,855.23 = 310,580.31/x
  3. Step 3: Cross multiply
    1,020,607.68x = 1,530,855.23 × 310,580.31
  4. Step 4: Simplify right side
    1,020,607.68x = 475,453,490,345.62
  5. Step 5: Solve for x
    x = 475,453,490,345.62/1,020,607.68
  6. Step 6: Final answer
    x = 465,853.33

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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.