Home / 896,883.60-1,345,325.40-858,009.68

Finding the Fourth Proportional to 896,883.60, 1,345,325.40 and 858,009.68

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Solution

The fourth proportional to 896,883.60, 1,345,325.40 and 858,009.68 is: 1,287,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,883.60 : 1,345,325.40 = 858,009.68 : x
  2. Step 2: Convert to fraction form
    896,883.60/1,345,325.40 = 858,009.68/x
  3. Step 3: Cross multiply
    896,883.60x = 1,345,325.40 × 858,009.68
  4. Step 4: Simplify right side
    896,883.60x = 1,154,302,209,223.24
  5. Step 5: Solve for x
    x = 1,154,302,209,223.24/896,883.60
  6. Step 6: Final answer
    x = 1,287,014.51

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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.