Home / 1,107,350.40-1,661,025.60-947,918.10

Finding the Fourth Proportional to 1,107,350.40, 1,661,025.60 and 947,918.10

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Solution

The fourth proportional to 1,107,350.40, 1,661,025.60 and 947,918.10 is: 1,421,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,350.40 : 1,661,025.60 = 947,918.10 : x
  2. Step 2: Convert to fraction form
    1,107,350.40/1,661,025.60 = 947,918.10/x
  3. Step 3: Cross multiply
    1,107,350.40x = 1,661,025.60 × 947,918.10
  4. Step 4: Simplify right side
    1,107,350.40x = 1,574,516,230,803.36
  5. Step 5: Solve for x
    x = 1,574,516,230,803.36/1,107,350.40
  6. Step 6: Final answer
    x = 1,421,877.15

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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.