Home / 1,145,606.90-1,720,246.35-910,901.30

Finding the Fourth Proportional to 1,145,606.90, 1,720,246.35 and 910,901.30

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Solution

The fourth proportional to 1,145,606.90, 1,720,246.35 and 910,901.30 is: 1,367,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,606.90 : 1,720,246.35 = 910,901.30 : x
  2. Step 2: Convert to fraction form
    1,145,606.90/1,720,246.35 = 910,901.30/x
  3. Step 3: Cross multiply
    1,145,606.90x = 1,720,246.35 × 910,901.30
  4. Step 4: Simplify right side
    1,145,606.90x = 1,566,974,636,535.26
  5. Step 5: Solve for x
    x = 1,566,974,636,535.26/1,145,606.90
  6. Step 6: Final answer
    x = 1,367,811.80

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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.