Home / 1,118,701.71-1,676,928.93-359,985.54

Finding the Fourth Proportional to 1,118,701.71, 1,676,928.93 and 359,985.54

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Solution

The fourth proportional to 1,118,701.71, 1,676,928.93 and 359,985.54 is: 539,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,701.71 : 1,676,928.93 = 359,985.54 : x
  2. Step 2: Convert to fraction form
    1,118,701.71/1,676,928.93 = 359,985.54/x
  3. Step 3: Cross multiply
    1,118,701.71x = 1,676,928.93 × 359,985.54
  4. Step 4: Simplify right side
    1,118,701.71x = 603,670,166,407.67
  5. Step 5: Solve for x
    x = 603,670,166,407.67/1,118,701.71
  6. Step 6: Final answer
    x = 539,616.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.