Home / 1,690,659.05-2,536,377.37-553,457.93

Finding the Fourth Proportional to 1,690,659.05, 2,536,377.37 and 553,457.93

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Solution

The fourth proportional to 1,690,659.05, 2,536,377.37 and 553,457.93 is: 830,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,659.05 : 2,536,377.37 = 553,457.93 : x
  2. Step 2: Convert to fraction form
    1,690,659.05/2,536,377.37 = 553,457.93/x
  3. Step 3: Cross multiply
    1,690,659.05x = 2,536,377.37 × 553,457.93
  4. Step 4: Simplify right side
    1,690,659.05x = 1,403,778,154,833.51
  5. Step 5: Solve for x
    x = 1,403,778,154,833.51/1,690,659.05
  6. Step 6: Final answer
    x = 830,314.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.