Home / 1,005,307.54-1,387,333.69-546,423.19

Finding the Fourth Proportional to 1,005,307.54, 1,387,333.69 and 546,423.19

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Solution

The fourth proportional to 1,005,307.54, 1,387,333.69 and 546,423.19 is: 754,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,307.54 : 1,387,333.69 = 546,423.19 : x
  2. Step 2: Convert to fraction form
    1,005,307.54/1,387,333.69 = 546,423.19/x
  3. Step 3: Cross multiply
    1,005,307.54x = 1,387,333.69 × 546,423.19
  4. Step 4: Simplify right side
    1,005,307.54x = 758,071,295,649.88
  5. Step 5: Solve for x
    x = 758,071,295,649.88/1,005,307.54
  6. Step 6: Final answer
    x = 754,069.05

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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.