Home / 1,315,513.60-1,973,270.40-746,674.90

Finding the Fourth Proportional to 1,315,513.60, 1,973,270.40 and 746,674.90

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Solution

The fourth proportional to 1,315,513.60, 1,973,270.40 and 746,674.90 is: 1,120,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,513.60 : 1,973,270.40 = 746,674.90 : x
  2. Step 2: Convert to fraction form
    1,315,513.60/1,973,270.40 = 746,674.90/x
  3. Step 3: Cross multiply
    1,315,513.60x = 1,973,270.40 × 746,674.90
  4. Step 4: Simplify right side
    1,315,513.60x = 1,473,391,478,592.96
  5. Step 5: Solve for x
    x = 1,473,391,478,592.96/1,315,513.60
  6. Step 6: Final answer
    x = 1,120,012.35

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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.