Home / 1,103,641.80-1,653,275.70-972,130.20

Finding the Fourth Proportional to 1,103,641.80, 1,653,275.70 and 972,130.20

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Solution

The fourth proportional to 1,103,641.80, 1,653,275.70 and 972,130.20 is: 1,456,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,641.80 : 1,653,275.70 = 972,130.20 : x
  2. Step 2: Convert to fraction form
    1,103,641.80/1,653,275.70 = 972,130.20/x
  3. Step 3: Cross multiply
    1,103,641.80x = 1,653,275.70 × 972,130.20
  4. Step 4: Simplify right side
    1,103,641.80x = 1,607,199,236,896.14
  5. Step 5: Solve for x
    x = 1,607,199,236,896.14/1,103,641.80
  6. Step 6: Final answer
    x = 1,456,268.91

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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.