Home / 1,140,661.40-1,710,646.49-475,657.88

Finding the Fourth Proportional to 1,140,661.40, 1,710,646.49 and 475,657.88

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Solution

The fourth proportional to 1,140,661.40, 1,710,646.49 and 475,657.88 is: 713,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,661.40 : 1,710,646.49 = 475,657.88 : x
  2. Step 2: Convert to fraction form
    1,140,661.40/1,710,646.49 = 475,657.88/x
  3. Step 3: Cross multiply
    1,140,661.40x = 1,710,646.49 × 475,657.88
  4. Step 4: Simplify right side
    1,140,661.40x = 813,682,475,498.75
  5. Step 5: Solve for x
    x = 813,682,475,498.75/1,140,661.40
  6. Step 6: Final answer
    x = 713,342.70

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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.