Home / 1,258,742.25-1,888,412.27-417,294

Finding the Fourth Proportional to 1,258,742.25, 1,888,412.27 and 417,294

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Solution

The fourth proportional to 1,258,742.25, 1,888,412.27 and 417,294 is: 626,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,742.25 : 1,888,412.27 = 417,294 : x
  2. Step 2: Convert to fraction form
    1,258,742.25/1,888,412.27 = 417,294/x
  3. Step 3: Cross multiply
    1,258,742.25x = 1,888,412.27 × 417,294
  4. Step 4: Simplify right side
    1,258,742.25x = 788,023,107,710.91
  5. Step 5: Solve for x
    x = 788,023,107,710.91/1,258,742.25
  6. Step 6: Final answer
    x = 626,040.09

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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.