Home / 1,695,264.69-2,339,498.40-931,347.21

Finding the Fourth Proportional to 1,695,264.69, 2,339,498.40 and 931,347.21

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Solution

The fourth proportional to 1,695,264.69, 2,339,498.40 and 931,347.21 is: 1,285,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,264.69 : 2,339,498.40 = 931,347.21 : x
  2. Step 2: Convert to fraction form
    1,695,264.69/2,339,498.40 = 931,347.21/x
  3. Step 3: Cross multiply
    1,695,264.69x = 2,339,498.40 × 931,347.21
  4. Step 4: Simplify right side
    1,695,264.69x = 2,178,885,307,639.46
  5. Step 5: Solve for x
    x = 2,178,885,307,639.46/1,695,264.69
  6. Step 6: Final answer
    x = 1,285,277.35

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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.