Home / 1,316,411.20-1,969,624.80-874,043.20

Finding the Fourth Proportional to 1,316,411.20, 1,969,624.80 and 874,043.20

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Solution

The fourth proportional to 1,316,411.20, 1,969,624.80 and 874,043.20 is: 1,307,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,411.20 : 1,969,624.80 = 874,043.20 : x
  2. Step 2: Convert to fraction form
    1,316,411.20/1,969,624.80 = 874,043.20/x
  3. Step 3: Cross multiply
    1,316,411.20x = 1,969,624.80 × 874,043.20
  4. Step 4: Simplify right side
    1,316,411.20x = 1,721,537,162,991.36
  5. Step 5: Solve for x
    x = 1,721,537,162,991.36/1,316,411.20
  6. Step 6: Final answer
    x = 1,307,750.32

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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.