Home / 1,146,038.40-1,581,357.12-662,509.44

Finding the Fourth Proportional to 1,146,038.40, 1,581,357.12 and 662,509.44

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Solution

The fourth proportional to 1,146,038.40, 1,581,357.12 and 662,509.44 is: 914,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,038.40 : 1,581,357.12 = 662,509.44 : x
  2. Step 2: Convert to fraction form
    1,146,038.40/1,581,357.12 = 662,509.44/x
  3. Step 3: Cross multiply
    1,146,038.40x = 1,581,357.12 × 662,509.44
  4. Step 4: Simplify right side
    1,146,038.40x = 1,047,664,020,011.21
  5. Step 5: Solve for x
    x = 1,047,664,020,011.21/1,146,038.40
  6. Step 6: Final answer
    x = 914,161.36

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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.