Home / 1,243,653.40-1,865,480.10-973,048.60

Finding the Fourth Proportional to 1,243,653.40, 1,865,480.10 and 973,048.60

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Solution

The fourth proportional to 1,243,653.40, 1,865,480.10 and 973,048.60 is: 1,459,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,653.40 : 1,865,480.10 = 973,048.60 : x
  2. Step 2: Convert to fraction form
    1,243,653.40/1,865,480.10 = 973,048.60/x
  3. Step 3: Cross multiply
    1,243,653.40x = 1,865,480.10 × 973,048.60
  4. Step 4: Simplify right side
    1,243,653.40x = 1,815,202,799,632.86
  5. Step 5: Solve for x
    x = 1,815,202,799,632.86/1,243,653.40
  6. Step 6: Final answer
    x = 1,459,572.90

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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.