Home / 1,377,364.47-2,064,863.43-478,689.45

Finding the Fourth Proportional to 1,377,364.47, 2,064,863.43 and 478,689.45

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Solution

The fourth proportional to 1,377,364.47, 2,064,863.43 and 478,689.45 is: 717,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,364.47 : 2,064,863.43 = 478,689.45 : x
  2. Step 2: Convert to fraction form
    1,377,364.47/2,064,863.43 = 478,689.45/x
  3. Step 3: Cross multiply
    1,377,364.47x = 2,064,863.43 × 478,689.45
  4. Step 4: Simplify right side
    1,377,364.47x = 988,428,329,307.50
  5. Step 5: Solve for x
    x = 988,428,329,307.50/1,377,364.47
  6. Step 6: Final answer
    x = 717,622.93

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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.