Home / 1,130,707.50-1,560,376.35-621,442.68

Finding the Fourth Proportional to 1,130,707.50, 1,560,376.35 and 621,442.68

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Solution

The fourth proportional to 1,130,707.50, 1,560,376.35 and 621,442.68 is: 857,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,707.50 : 1,560,376.35 = 621,442.68 : x
  2. Step 2: Convert to fraction form
    1,130,707.50/1,560,376.35 = 621,442.68/x
  3. Step 3: Cross multiply
    1,130,707.50x = 1,560,376.35 × 621,442.68
  4. Step 4: Simplify right side
    1,130,707.50x = 969,684,460,752.62
  5. Step 5: Solve for x
    x = 969,684,460,752.62/1,130,707.50
  6. Step 6: Final answer
    x = 857,590.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.