Home / 1,347,304.32-1,859,276.16-743,688

Finding the Fourth Proportional to 1,347,304.32, 1,859,276.16 and 743,688

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Solution

The fourth proportional to 1,347,304.32, 1,859,276.16 and 743,688 is: 1,026,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,304.32 : 1,859,276.16 = 743,688 : x
  2. Step 2: Convert to fraction form
    1,347,304.32/1,859,276.16 = 743,688/x
  3. Step 3: Cross multiply
    1,347,304.32x = 1,859,276.16 × 743,688
  4. Step 4: Simplify right side
    1,347,304.32x = 1,382,721,368,878.08
  5. Step 5: Solve for x
    x = 1,382,721,368,878.08/1,347,304.32
  6. Step 6: Final answer
    x = 1,026,287.34

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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.