Home / 1,456,335.04-2,184,266.40-687,831.92

Finding the Fourth Proportional to 1,456,335.04, 2,184,266.40 and 687,831.92

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Solution

The fourth proportional to 1,456,335.04, 2,184,266.40 and 687,831.92 is: 1,031,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,335.04 : 2,184,266.40 = 687,831.92 : x
  2. Step 2: Convert to fraction form
    1,456,335.04/2,184,266.40 = 687,831.92/x
  3. Step 3: Cross multiply
    1,456,335.04x = 2,184,266.40 × 687,831.92
  4. Step 4: Simplify right side
    1,456,335.04x = 1,502,408,151,703.49
  5. Step 5: Solve for x
    x = 1,502,408,151,703.49/1,456,335.04
  6. Step 6: Final answer
    x = 1,031,636.34

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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.