Home / 1,470,988.20-2,030,128.48-890,531.27

Finding the Fourth Proportional to 1,470,988.20, 2,030,128.48 and 890,531.27

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Solution

The fourth proportional to 1,470,988.20, 2,030,128.48 and 890,531.27 is: 1,229,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,988.20 : 2,030,128.48 = 890,531.27 : x
  2. Step 2: Convert to fraction form
    1,470,988.20/2,030,128.48 = 890,531.27/x
  3. Step 3: Cross multiply
    1,470,988.20x = 2,030,128.48 × 890,531.27
  4. Step 4: Simplify right side
    1,470,988.20x = 1,807,892,893,557.57
  5. Step 5: Solve for x
    x = 1,807,892,893,557.57/1,470,988.20
  6. Step 6: Final answer
    x = 1,229,032.90

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Why These Related Problems?

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