Home / 1,499,541.29-2,069,362.41-811,212.95

Finding the Fourth Proportional to 1,499,541.29, 2,069,362.41 and 811,212.95

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Solution

The fourth proportional to 1,499,541.29, 2,069,362.41 and 811,212.95 is: 1,119,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,541.29 : 2,069,362.41 = 811,212.95 : x
  2. Step 2: Convert to fraction form
    1,499,541.29/2,069,362.41 = 811,212.95/x
  3. Step 3: Cross multiply
    1,499,541.29x = 2,069,362.41 × 811,212.95
  4. Step 4: Simplify right side
    1,499,541.29x = 1,678,693,574,888.40
  5. Step 5: Solve for x
    x = 1,678,693,574,888.40/1,499,541.29
  6. Step 6: Final answer
    x = 1,119,471.40

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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.