Home / 1,031,418-1,423,381.36-578,742.48

Finding the Fourth Proportional to 1,031,418, 1,423,381.36 and 578,742.48

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Solution

The fourth proportional to 1,031,418, 1,423,381.36 and 578,742.48 is: 798,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,418 : 1,423,381.36 = 578,742.48 : x
  2. Step 2: Convert to fraction form
    1,031,418/1,423,381.36 = 578,742.48/x
  3. Step 3: Cross multiply
    1,031,418x = 1,423,381.36 × 578,742.48
  4. Step 4: Simplify right side
    1,031,418x = 823,771,258,272.17
  5. Step 5: Solve for x
    x = 823,771,258,272.17/1,031,418
  6. Step 6: Final answer
    x = 798,678.38

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Double scale
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1.5x scale

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.