Home / 945,210.40-1,417,815.60-889,223.20

Finding the Fourth Proportional to 945,210.40, 1,417,815.60 and 889,223.20

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Solution

The fourth proportional to 945,210.40, 1,417,815.60 and 889,223.20 is: 1,333,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,210.40 : 1,417,815.60 = 889,223.20 : x
  2. Step 2: Convert to fraction form
    945,210.40/1,417,815.60 = 889,223.20/x
  3. Step 3: Cross multiply
    945,210.40x = 1,417,815.60 × 889,223.20
  4. Step 4: Simplify right side
    945,210.40x = 1,260,754,524,841.92
  5. Step 5: Solve for x
    x = 1,260,754,524,841.92/945,210.40
  6. Step 6: Final answer
    x = 1,333,834.80

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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.