Home / 1,211,602.65-1,817,620.08-402,035.70

Finding the Fourth Proportional to 1,211,602.65, 1,817,620.08 and 402,035.70

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Solution

The fourth proportional to 1,211,602.65, 1,817,620.08 and 402,035.70 is: 603,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,602.65 : 1,817,620.08 = 402,035.70 : x
  2. Step 2: Convert to fraction form
    1,211,602.65/1,817,620.08 = 402,035.70/x
  3. Step 3: Cross multiply
    1,211,602.65x = 1,817,620.08 × 402,035.70
  4. Step 4: Simplify right side
    1,211,602.65x = 730,748,161,196.86
  5. Step 5: Solve for x
    x = 730,748,161,196.86/1,211,602.65
  6. Step 6: Final answer
    x = 603,125.26

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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.