Home / 1,407,808.04-2,111,712.02-649,425.13

Finding the Fourth Proportional to 1,407,808.04, 2,111,712.02 and 649,425.13

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Solution

The fourth proportional to 1,407,808.04, 2,111,712.02 and 649,425.13 is: 974,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,808.04 : 2,111,712.02 = 649,425.13 : x
  2. Step 2: Convert to fraction form
    1,407,808.04/2,111,712.02 = 649,425.13/x
  3. Step 3: Cross multiply
    1,407,808.04x = 2,111,712.02 × 649,425.13
  4. Step 4: Simplify right side
    1,407,808.04x = 1,371,398,853,111.06
  5. Step 5: Solve for x
    x = 1,371,398,853,111.06/1,407,808.04
  6. Step 6: Final answer
    x = 974,137.68

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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.