Home / 1,152,567.20-1,590,528.40-636,325.28

Finding the Fourth Proportional to 1,152,567.20, 1,590,528.40 and 636,325.28

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Solution

The fourth proportional to 1,152,567.20, 1,590,528.40 and 636,325.28 is: 878,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,567.20 : 1,590,528.40 = 636,325.28 : x
  2. Step 2: Convert to fraction form
    1,152,567.20/1,590,528.40 = 636,325.28/x
  3. Step 3: Cross multiply
    1,152,567.20x = 1,590,528.40 × 636,325.28
  4. Step 4: Simplify right side
    1,152,567.20x = 1,012,093,429,477.95
  5. Step 5: Solve for x
    x = 1,012,093,429,477.95/1,152,567.20
  6. Step 6: Final answer
    x = 878,120.97

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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.