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Finding the Fourth Proportional to 1,064,752, 1,596,340.68 and 643,934.32

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Solution

The fourth proportional to 1,064,752, 1,596,340.68 and 643,934.32 is: 965,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,752 : 1,596,340.68 = 643,934.32 : x
  2. Step 2: Convert to fraction form
    1,064,752/1,596,340.68 = 643,934.32/x
  3. Step 3: Cross multiply
    1,064,752x = 1,596,340.68 × 643,934.32
  4. Step 4: Simplify right side
    1,064,752x = 1,027,938,550,264.14
  5. Step 5: Solve for x
    x = 1,027,938,550,264.14/1,064,752
  6. Step 6: Final answer
    x = 965,425.33

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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.