Home / 1,036,169-1,554,182.20-636,871.40

Finding the Fourth Proportional to 1,036,169, 1,554,182.20 and 636,871.40

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Solution

The fourth proportional to 1,036,169, 1,554,182.20 and 636,871.40 is: 955,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,169 : 1,554,182.20 = 636,871.40 : x
  2. Step 2: Convert to fraction form
    1,036,169/1,554,182.20 = 636,871.40/x
  3. Step 3: Cross multiply
    1,036,169x = 1,554,182.20 × 636,871.40
  4. Step 4: Simplify right side
    1,036,169x = 989,814,193,569.08
  5. Step 5: Solve for x
    x = 989,814,193,569.08/1,036,169
  6. Step 6: Final answer
    x = 955,263.28

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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.