Home / 1,032,085.80-1,548,128.70-766,365.30

Finding the Fourth Proportional to 1,032,085.80, 1,548,128.70 and 766,365.30

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Solution

The fourth proportional to 1,032,085.80, 1,548,128.70 and 766,365.30 is: 1,149,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,085.80 : 1,548,128.70 = 766,365.30 : x
  2. Step 2: Convert to fraction form
    1,032,085.80/1,548,128.70 = 766,365.30/x
  3. Step 3: Cross multiply
    1,032,085.80x = 1,548,128.70 × 766,365.30
  4. Step 4: Simplify right side
    1,032,085.80x = 1,186,432,115,614.11
  5. Step 5: Solve for x
    x = 1,186,432,115,614.11/1,032,085.80
  6. Step 6: Final answer
    x = 1,149,547.95

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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.