Home / 1,501,289.74-2,072,285.04-912,587.01

Finding the Fourth Proportional to 1,501,289.74, 2,072,285.04 and 912,587.01

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Solution

The fourth proportional to 1,501,289.74, 2,072,285.04 and 912,587.01 is: 1,259,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,289.74 : 2,072,285.04 = 912,587.01 : x
  2. Step 2: Convert to fraction form
    1,501,289.74/2,072,285.04 = 912,587.01/x
  3. Step 3: Cross multiply
    1,501,289.74x = 2,072,285.04 × 912,587.01
  4. Step 4: Simplify right side
    1,501,289.74x = 1,891,140,408,521.33
  5. Step 5: Solve for x
    x = 1,891,140,408,521.33/1,501,289.74
  6. Step 6: Final answer
    x = 1,259,677.17

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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.