Home / 1,656,605.10-2,484,907.65-858,131.40

Finding the Fourth Proportional to 1,656,605.10, 2,484,907.65 and 858,131.40

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Solution

The fourth proportional to 1,656,605.10, 2,484,907.65 and 858,131.40 is: 1,287,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,605.10 : 2,484,907.65 = 858,131.40 : x
  2. Step 2: Convert to fraction form
    1,656,605.10/2,484,907.65 = 858,131.40/x
  3. Step 3: Cross multiply
    1,656,605.10x = 2,484,907.65 × 858,131.40
  4. Step 4: Simplify right side
    1,656,605.10x = 2,132,377,280,565.21
  5. Step 5: Solve for x
    x = 2,132,377,280,565.21/1,656,605.10
  6. Step 6: Final answer
    x = 1,287,197.10

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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.