Home / 1,487,779.17-2,053,359.74-907,339.11

Finding the Fourth Proportional to 1,487,779.17, 2,053,359.74 and 907,339.11

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Solution

The fourth proportional to 1,487,779.17, 2,053,359.74 and 907,339.11 is: 1,252,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,779.17 : 2,053,359.74 = 907,339.11 : x
  2. Step 2: Convert to fraction form
    1,487,779.17/2,053,359.74 = 907,339.11/x
  3. Step 3: Cross multiply
    1,487,779.17x = 2,053,359.74 × 907,339.11
  4. Step 4: Simplify right side
    1,487,779.17x = 1,863,093,594,464.74
  5. Step 5: Solve for x
    x = 1,863,093,594,464.74/1,487,779.17
  6. Step 6: Final answer
    x = 1,252,264.87

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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.