Home / 1,020,056.51-1,530,085.80-380,350.49

Finding the Fourth Proportional to 1,020,056.51, 1,530,085.80 and 380,350.49

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Solution

The fourth proportional to 1,020,056.51, 1,530,085.80 and 380,350.49 is: 570,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,056.51 : 1,530,085.80 = 380,350.49 : x
  2. Step 2: Convert to fraction form
    1,020,056.51/1,530,085.80 = 380,350.49/x
  3. Step 3: Cross multiply
    1,020,056.51x = 1,530,085.80 × 380,350.49
  4. Step 4: Simplify right side
    1,020,056.51x = 581,968,876,121.61
  5. Step 5: Solve for x
    x = 581,968,876,121.61/1,020,056.51
  6. Step 6: Final answer
    x = 570,526.12

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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.