Home / 1,085,661.40-1,628,492.10-975,436.60

Finding the Fourth Proportional to 1,085,661.40, 1,628,492.10 and 975,436.60

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Solution

The fourth proportional to 1,085,661.40, 1,628,492.10 and 975,436.60 is: 1,463,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,661.40 : 1,628,492.10 = 975,436.60 : x
  2. Step 2: Convert to fraction form
    1,085,661.40/1,628,492.10 = 975,436.60/x
  3. Step 3: Cross multiply
    1,085,661.40x = 1,628,492.10 × 975,436.60
  4. Step 4: Simplify right side
    1,085,661.40x = 1,588,490,797,150.86
  5. Step 5: Solve for x
    x = 1,588,490,797,150.86/1,085,661.40
  6. Step 6: Final answer
    x = 1,463,154.90

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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.