Home / 1,057,339.79-1,459,887.20-649,987.81

Finding the Fourth Proportional to 1,057,339.79, 1,459,887.20 and 649,987.81

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Solution

The fourth proportional to 1,057,339.79, 1,459,887.20 and 649,987.81 is: 897,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,339.79 : 1,459,887.20 = 649,987.81 : x
  2. Step 2: Convert to fraction form
    1,057,339.79/1,459,887.20 = 649,987.81/x
  3. Step 3: Cross multiply
    1,057,339.79x = 1,459,887.20 × 649,987.81
  4. Step 4: Simplify right side
    1,057,339.79x = 948,908,881,950.28
  5. Step 5: Solve for x
    x = 948,908,881,950.28/1,057,339.79
  6. Step 6: Final answer
    x = 897,449.32

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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.