Home / 875,111.80-1,312,667.70-735,143.80

Finding the Fourth Proportional to 875,111.80, 1,312,667.70 and 735,143.80

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Solution

The fourth proportional to 875,111.80, 1,312,667.70 and 735,143.80 is: 1,102,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,111.80 : 1,312,667.70 = 735,143.80 : x
  2. Step 2: Convert to fraction form
    875,111.80/1,312,667.70 = 735,143.80/x
  3. Step 3: Cross multiply
    875,111.80x = 1,312,667.70 × 735,143.80
  4. Step 4: Simplify right side
    875,111.80x = 964,999,521,115.26
  5. Step 5: Solve for x
    x = 964,999,521,115.26/875,111.80
  6. Step 6: Final answer
    x = 1,102,715.70

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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.