Home / 1,492,362.40-2,059,399.84-813,284.32

Finding the Fourth Proportional to 1,492,362.40, 2,059,399.84 and 813,284.32

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Solution

The fourth proportional to 1,492,362.40, 2,059,399.84 and 813,284.32 is: 1,122,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,362.40 : 2,059,399.84 = 813,284.32 : x
  2. Step 2: Convert to fraction form
    1,492,362.40/2,059,399.84 = 813,284.32/x
  3. Step 3: Cross multiply
    1,492,362.40x = 2,059,399.84 × 813,284.32
  4. Step 4: Simplify right side
    1,492,362.40x = 1,674,877,598,482.51
  5. Step 5: Solve for x
    x = 1,674,877,598,482.51/1,492,362.40
  6. Step 6: Final answer
    x = 1,122,299.52

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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.