Home / 1,320,787-1,822,686.06-717,175

Finding the Fourth Proportional to 1,320,787, 1,822,686.06 and 717,175

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Solution

The fourth proportional to 1,320,787, 1,822,686.06 and 717,175 is: 989,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,787 : 1,822,686.06 = 717,175 : x
  2. Step 2: Convert to fraction form
    1,320,787/1,822,686.06 = 717,175/x
  3. Step 3: Cross multiply
    1,320,787x = 1,822,686.06 × 717,175
  4. Step 4: Simplify right side
    1,320,787x = 1,307,184,875,080.50
  5. Step 5: Solve for x
    x = 1,307,184,875,080.50/1,320,787
  6. Step 6: Final answer
    x = 989,701.50

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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.