Home / 1,286,925.74-1,775,980.98-706,178.82

Finding the Fourth Proportional to 1,286,925.74, 1,775,980.98 and 706,178.82

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Solution

The fourth proportional to 1,286,925.74, 1,775,980.98 and 706,178.82 is: 974,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,925.74 : 1,775,980.98 = 706,178.82 : x
  2. Step 2: Convert to fraction form
    1,286,925.74/1,775,980.98 = 706,178.82/x
  3. Step 3: Cross multiply
    1,286,925.74x = 1,775,980.98 × 706,178.82
  4. Step 4: Simplify right side
    1,286,925.74x = 1,254,160,152,798.84
  5. Step 5: Solve for x
    x = 1,254,160,152,798.84/1,286,925.74
  6. Step 6: Final answer
    x = 974,539.64

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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.