Home / 1,520,354.79-2,097,946.76-1,029,325.59

Finding the Fourth Proportional to 1,520,354.79, 2,097,946.76 and 1,029,325.59

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Solution

The fourth proportional to 1,520,354.79, 2,097,946.76 and 1,029,325.59 is: 1,420,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,354.79 : 2,097,946.76 = 1,029,325.59 : x
  2. Step 2: Convert to fraction form
    1,520,354.79/2,097,946.76 = 1,029,325.59/x
  3. Step 3: Cross multiply
    1,520,354.79x = 2,097,946.76 × 1,029,325.59
  4. Step 4: Simplify right side
    1,520,354.79x = 2,159,470,281,378.96
  5. Step 5: Solve for x
    x = 2,159,470,281,378.96/1,520,354.79
  6. Step 6: Final answer
    x = 1,420,372.60

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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.