Home / 1,587,205.32-2,190,002.58-942,842.76

Finding the Fourth Proportional to 1,587,205.32, 2,190,002.58 and 942,842.76

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Solution

The fourth proportional to 1,587,205.32, 2,190,002.58 and 942,842.76 is: 1,300,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,205.32 : 2,190,002.58 = 942,842.76 : x
  2. Step 2: Convert to fraction form
    1,587,205.32/2,190,002.58 = 942,842.76/x
  3. Step 3: Cross multiply
    1,587,205.32x = 2,190,002.58 × 942,842.76
  4. Step 4: Simplify right side
    1,587,205.32x = 2,064,828,076,934.32
  5. Step 5: Solve for x
    x = 2,064,828,076,934.32/1,587,205.32
  6. Step 6: Final answer
    x = 1,300,920.59

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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.