Home / 913,311.60-1,369,967.40-889,983.60

Finding the Fourth Proportional to 913,311.60, 1,369,967.40 and 889,983.60

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Solution

The fourth proportional to 913,311.60, 1,369,967.40 and 889,983.60 is: 1,334,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,311.60 : 1,369,967.40 = 889,983.60 : x
  2. Step 2: Convert to fraction form
    913,311.60/1,369,967.40 = 889,983.60/x
  3. Step 3: Cross multiply
    913,311.60x = 1,369,967.40 × 889,983.60
  4. Step 4: Simplify right side
    913,311.60x = 1,219,248,518,534.64
  5. Step 5: Solve for x
    x = 1,219,248,518,534.64/913,311.60
  6. Step 6: Final answer
    x = 1,334,975.40

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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.