Home / 1,402,172.75-2,103,045.89-391,188.26

Finding the Fourth Proportional to 1,402,172.75, 2,103,045.89 and 391,188.26

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Solution

The fourth proportional to 1,402,172.75, 2,103,045.89 and 391,188.26 is: 586,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,172.75 : 2,103,045.89 = 391,188.26 : x
  2. Step 2: Convert to fraction form
    1,402,172.75/2,103,045.89 = 391,188.26/x
  3. Step 3: Cross multiply
    1,402,172.75x = 2,103,045.89 × 391,188.26
  4. Step 4: Simplify right side
    1,402,172.75x = 822,686,862,409.25
  5. Step 5: Solve for x
    x = 822,686,862,409.25/1,402,172.75
  6. Step 6: Final answer
    x = 586,722.90

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1.5x scale

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.