Home / 1,570,878.20-2,354,762.10-771,505.40

Finding the Fourth Proportional to 1,570,878.20, 2,354,762.10 and 771,505.40

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Solution

The fourth proportional to 1,570,878.20, 2,354,762.10 and 771,505.40 is: 1,156,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,878.20 : 2,354,762.10 = 771,505.40 : x
  2. Step 2: Convert to fraction form
    1,570,878.20/2,354,762.10 = 771,505.40/x
  3. Step 3: Cross multiply
    1,570,878.20x = 2,354,762.10 × 771,505.40
  4. Step 4: Simplify right side
    1,570,878.20x = 1,816,711,675,865.34
  5. Step 5: Solve for x
    x = 1,816,711,675,865.34/1,570,878.20
  6. Step 6: Final answer
    x = 1,156,494.29

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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.