Home / 1,323,775.80-1,985,663.70-971,263.80

Finding the Fourth Proportional to 1,323,775.80, 1,985,663.70 and 971,263.80

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Solution

The fourth proportional to 1,323,775.80, 1,985,663.70 and 971,263.80 is: 1,456,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,775.80 : 1,985,663.70 = 971,263.80 : x
  2. Step 2: Convert to fraction form
    1,323,775.80/1,985,663.70 = 971,263.80/x
  3. Step 3: Cross multiply
    1,323,775.80x = 1,985,663.70 × 971,263.80
  4. Step 4: Simplify right side
    1,323,775.80x = 1,928,603,270,784.06
  5. Step 5: Solve for x
    x = 1,928,603,270,784.06/1,323,775.80
  6. Step 6: Final answer
    x = 1,456,895.70

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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.