Home / 1,090,823.81-1,636,347.67-417,471.53

Finding the Fourth Proportional to 1,090,823.81, 1,636,347.67 and 417,471.53

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Solution

The fourth proportional to 1,090,823.81, 1,636,347.67 and 417,471.53 is: 626,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,823.81 : 1,636,347.67 = 417,471.53 : x
  2. Step 2: Convert to fraction form
    1,090,823.81/1,636,347.67 = 417,471.53/x
  3. Step 3: Cross multiply
    1,090,823.81x = 1,636,347.67 × 417,471.53
  4. Step 4: Simplify right side
    1,090,823.81x = 683,128,565,406.84
  5. Step 5: Solve for x
    x = 683,128,565,406.84/1,090,823.81
  6. Step 6: Final answer
    x = 626,250.14

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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.