Home / 1,145,943.15-1,581,308.95-662,539.45

Finding the Fourth Proportional to 1,145,943.15, 1,581,308.95 and 662,539.45

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Solution

The fourth proportional to 1,145,943.15, 1,581,308.95 and 662,539.45 is: 914,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,943.15 : 1,581,308.95 = 662,539.45 : x
  2. Step 2: Convert to fraction form
    1,145,943.15/1,581,308.95 = 662,539.45/x
  3. Step 3: Cross multiply
    1,145,943.15x = 1,581,308.95 × 662,539.45
  4. Step 4: Simplify right side
    1,145,943.15x = 1,047,679,562,013.08
  5. Step 5: Solve for x
    x = 1,047,679,562,013.08/1,145,943.15
  6. Step 6: Final answer
    x = 914,250.91

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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.