Home / 903,145.32-1,355,874.04-775,875.84

Finding the Fourth Proportional to 903,145.32, 1,355,874.04 and 775,875.84

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Solution

The fourth proportional to 903,145.32, 1,355,874.04 and 775,875.84 is: 1,164,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,145.32 : 1,355,874.04 = 775,875.84 : x
  2. Step 2: Convert to fraction form
    903,145.32/1,355,874.04 = 775,875.84/x
  3. Step 3: Cross multiply
    903,145.32x = 1,355,874.04 × 775,875.84
  4. Step 4: Simplify right side
    903,145.32x = 1,051,989,909,719.19
  5. Step 5: Solve for x
    x = 1,051,989,909,719.19/903,145.32
  6. Step 6: Final answer
    x = 1,164,806.91

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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.