Home / 1,570,492.20-2,356,175.70-771,799.80

Finding the Fourth Proportional to 1,570,492.20, 2,356,175.70 and 771,799.80

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Solution

The fourth proportional to 1,570,492.20, 2,356,175.70 and 771,799.80 is: 1,157,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,492.20 : 2,356,175.70 = 771,799.80 : x
  2. Step 2: Convert to fraction form
    1,570,492.20/2,356,175.70 = 771,799.80/x
  3. Step 3: Cross multiply
    1,570,492.20x = 2,356,175.70 × 771,799.80
  4. Step 4: Simplify right side
    1,570,492.20x = 1,818,495,934,024.86
  5. Step 5: Solve for x
    x = 1,818,495,934,024.86/1,570,492.20
  6. Step 6: Final answer
    x = 1,157,914.66

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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.