Home / 1,688,867.52-2,533,029.12-742,061.76

Finding the Fourth Proportional to 1,688,867.52, 2,533,029.12 and 742,061.76

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Solution

The fourth proportional to 1,688,867.52, 2,533,029.12 and 742,061.76 is: 1,112,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,867.52 : 2,533,029.12 = 742,061.76 : x
  2. Step 2: Convert to fraction form
    1,688,867.52/2,533,029.12 = 742,061.76/x
  3. Step 3: Cross multiply
    1,688,867.52x = 2,533,029.12 × 742,061.76
  4. Step 4: Simplify right side
    1,688,867.52x = 1,879,664,046,918.45
  5. Step 5: Solve for x
    x = 1,879,664,046,918.45/1,688,867.52
  6. Step 6: Final answer
    x = 1,112,973.06

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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.