Home / 1,429,210.39-1,972,313.62-784,672.10

Finding the Fourth Proportional to 1,429,210.39, 1,972,313.62 and 784,672.10

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Solution

The fourth proportional to 1,429,210.39, 1,972,313.62 and 784,672.10 is: 1,082,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,210.39 : 1,972,313.62 = 784,672.10 : x
  2. Step 2: Convert to fraction form
    1,429,210.39/1,972,313.62 = 784,672.10/x
  3. Step 3: Cross multiply
    1,429,210.39x = 1,972,313.62 × 784,672.10
  4. Step 4: Simplify right side
    1,429,210.39x = 1,547,619,464,518.57
  5. Step 5: Solve for x
    x = 1,547,619,464,518.57/1,429,210.39
  6. Step 6: Final answer
    x = 1,082,849.30

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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.