Home / 918,822.42-1,268,002.35-556,312.59

Finding the Fourth Proportional to 918,822.42, 1,268,002.35 and 556,312.59

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Solution

The fourth proportional to 918,822.42, 1,268,002.35 and 556,312.59 is: 767,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,822.42 : 1,268,002.35 = 556,312.59 : x
  2. Step 2: Convert to fraction form
    918,822.42/1,268,002.35 = 556,312.59/x
  3. Step 3: Cross multiply
    918,822.42x = 1,268,002.35 × 556,312.59
  4. Step 4: Simplify right side
    918,822.42x = 705,405,671,454.59
  5. Step 5: Solve for x
    x = 705,405,671,454.59/918,822.42
  6. Step 6: Final answer
    x = 767,727.97

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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.