Home / 1,018,409.02-1,405,427.90-559,552.21

Finding the Fourth Proportional to 1,018,409.02, 1,405,427.90 and 559,552.21

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Solution

The fourth proportional to 1,018,409.02, 1,405,427.90 and 559,552.21 is: 772,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,409.02 : 1,405,427.90 = 559,552.21 : x
  2. Step 2: Convert to fraction form
    1,018,409.02/1,405,427.90 = 559,552.21/x
  3. Step 3: Cross multiply
    1,018,409.02x = 1,405,427.90 × 559,552.21
  4. Step 4: Simplify right side
    1,018,409.02x = 786,410,281,129.33
  5. Step 5: Solve for x
    x = 786,410,281,129.33/1,018,409.02
  6. Step 6: Final answer
    x = 772,194.93

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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.