Home / 1,675,564.40-2,312,289-911,623.52

Finding the Fourth Proportional to 1,675,564.40, 2,312,289 and 911,623.52

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Solution

The fourth proportional to 1,675,564.40, 2,312,289 and 911,623.52 is: 1,258,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,564.40 : 2,312,289 = 911,623.52 : x
  2. Step 2: Convert to fraction form
    1,675,564.40/2,312,289 = 911,623.52/x
  3. Step 3: Cross multiply
    1,675,564.40x = 2,312,289 × 911,623.52
  4. Step 4: Simplify right side
    1,675,564.40x = 2,107,937,037,437.28
  5. Step 5: Solve for x
    x = 2,107,937,037,437.28/1,675,564.40
  6. Step 6: Final answer
    x = 1,258,045.97

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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.