Home / 1,258,007.63-1,736,123.40-947,354.09

Finding the Fourth Proportional to 1,258,007.63, 1,736,123.40 and 947,354.09

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Solution

The fourth proportional to 1,258,007.63, 1,736,123.40 and 947,354.09 is: 1,307,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,007.63 : 1,736,123.40 = 947,354.09 : x
  2. Step 2: Convert to fraction form
    1,258,007.63/1,736,123.40 = 947,354.09/x
  3. Step 3: Cross multiply
    1,258,007.63x = 1,736,123.40 × 947,354.09
  4. Step 4: Simplify right side
    1,258,007.63x = 1,644,723,595,054.09
  5. Step 5: Solve for x
    x = 1,644,723,595,054.09/1,258,007.63
  6. Step 6: Final answer
    x = 1,307,403.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.