Home / 1,509,528.86-2,264,039.02-429,965.50

Finding the Fourth Proportional to 1,509,528.86, 2,264,039.02 and 429,965.50

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Solution

The fourth proportional to 1,509,528.86, 2,264,039.02 and 429,965.50 is: 644,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,528.86 : 2,264,039.02 = 429,965.50 : x
  2. Step 2: Convert to fraction form
    1,509,528.86/2,264,039.02 = 429,965.50/x
  3. Step 3: Cross multiply
    1,509,528.86x = 2,264,039.02 × 429,965.50
  4. Step 4: Simplify right side
    1,509,528.86x = 973,458,669,253.81
  5. Step 5: Solve for x
    x = 973,458,669,253.81/1,509,528.86
  6. Step 6: Final answer
    x = 644,875.83

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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.