Home / 1,262,490.66-1,742,210.16-689,533.14

Finding the Fourth Proportional to 1,262,490.66, 1,742,210.16 and 689,533.14

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Solution

The fourth proportional to 1,262,490.66, 1,742,210.16 and 689,533.14 is: 951,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,490.66 : 1,742,210.16 = 689,533.14 : x
  2. Step 2: Convert to fraction form
    1,262,490.66/1,742,210.16 = 689,533.14/x
  3. Step 3: Cross multiply
    1,262,490.66x = 1,742,210.16 × 689,533.14
  4. Step 4: Simplify right side
    1,262,490.66x = 1,201,311,642,164.70
  5. Step 5: Solve for x
    x = 1,201,311,642,164.70/1,262,490.66
  6. Step 6: Final answer
    x = 951,541.01

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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.