Home / 1,345,686.48-2,015,250.71-890,000.10

Finding the Fourth Proportional to 1,345,686.48, 2,015,250.71 and 890,000.10

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Solution

The fourth proportional to 1,345,686.48, 2,015,250.71 and 890,000.10 is: 1,332,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,686.48 : 2,015,250.71 = 890,000.10 : x
  2. Step 2: Convert to fraction form
    1,345,686.48/2,015,250.71 = 890,000.10/x
  3. Step 3: Cross multiply
    1,345,686.48x = 2,015,250.71 × 890,000.10
  4. Step 4: Simplify right side
    1,345,686.48x = 1,793,573,328,975.07
  5. Step 5: Solve for x
    x = 1,793,573,328,975.07/1,345,686.48
  6. Step 6: Final answer
    x = 1,332,831.50

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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.