Home / 1,570,879.20-2,354,763.60-771,506.40

Finding the Fourth Proportional to 1,570,879.20, 2,354,763.60 and 771,506.40

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Solution

The fourth proportional to 1,570,879.20, 2,354,763.60 and 771,506.40 is: 1,156,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,879.20 : 2,354,763.60 = 771,506.40 : x
  2. Step 2: Convert to fraction form
    1,570,879.20/2,354,763.60 = 771,506.40/x
  3. Step 3: Cross multiply
    1,570,879.20x = 2,354,763.60 × 771,506.40
  4. Step 4: Simplify right side
    1,570,879.20x = 1,816,715,187,887.04
  5. Step 5: Solve for x
    x = 1,816,715,187,887.04/1,570,879.20
  6. Step 6: Final answer
    x = 1,156,495.79

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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.