Home / 1,759,917.36-2,639,885.76-637,957.20

Finding the Fourth Proportional to 1,759,917.36, 2,639,885.76 and 637,957.20

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Solution

The fourth proportional to 1,759,917.36, 2,639,885.76 and 637,957.20 is: 956,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,917.36 : 2,639,885.76 = 637,957.20 : x
  2. Step 2: Convert to fraction form
    1,759,917.36/2,639,885.76 = 637,957.20/x
  3. Step 3: Cross multiply
    1,759,917.36x = 2,639,885.76 × 637,957.20
  4. Step 4: Simplify right side
    1,759,917.36x = 1,684,134,127,769.47
  5. Step 5: Solve for x
    x = 1,684,134,127,769.47/1,759,917.36
  6. Step 6: Final answer
    x = 956,939.32

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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.