Home / 1,341,748.10-1,851,660.72-768,898.98

Finding the Fourth Proportional to 1,341,748.10, 1,851,660.72 and 768,898.98

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Solution

The fourth proportional to 1,341,748.10, 1,851,660.72 and 768,898.98 is: 1,061,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,748.10 : 1,851,660.72 = 768,898.98 : x
  2. Step 2: Convert to fraction form
    1,341,748.10/1,851,660.72 = 768,898.98/x
  3. Step 3: Cross multiply
    1,341,748.10x = 1,851,660.72 × 768,898.98
  4. Step 4: Simplify right side
    1,341,748.10x = 1,423,740,038,914.07
  5. Step 5: Solve for x
    x = 1,423,740,038,914.07/1,341,748.10
  6. Step 6: Final answer
    x = 1,061,108.30

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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.