Home / 1,005,590-1,387,741.58-546,735.46

Finding the Fourth Proportional to 1,005,590, 1,387,741.58 and 546,735.46

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Solution

The fourth proportional to 1,005,590, 1,387,741.58 and 546,735.46 is: 754,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,590 : 1,387,741.58 = 546,735.46 : x
  2. Step 2: Convert to fraction form
    1,005,590/1,387,741.58 = 546,735.46/x
  3. Step 3: Cross multiply
    1,005,590x = 1,387,741.58 × 546,735.46
  4. Step 4: Simplify right side
    1,005,590x = 758,727,531,102.43
  5. Step 5: Solve for x
    x = 758,727,531,102.43/1,005,590
  6. Step 6: Final answer
    x = 754,509.82

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1.5x scale

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.