Home / 1,018,598.40-1,528,588.80-662,745.60

Finding the Fourth Proportional to 1,018,598.40, 1,528,588.80 and 662,745.60

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Solution

The fourth proportional to 1,018,598.40, 1,528,588.80 and 662,745.60 is: 994,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,598.40 : 1,528,588.80 = 662,745.60 : x
  2. Step 2: Convert to fraction form
    1,018,598.40/1,528,588.80 = 662,745.60/x
  3. Step 3: Cross multiply
    1,018,598.40x = 1,528,588.80 × 662,745.60
  4. Step 4: Simplify right side
    1,018,598.40x = 1,013,065,501,409.28
  5. Step 5: Solve for x
    x = 1,013,065,501,409.28/1,018,598.40
  6. Step 6: Final answer
    x = 994,568.13

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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.