Home / 1,415,995.04-1,954,050.40-771,423.04

Finding the Fourth Proportional to 1,415,995.04, 1,954,050.40 and 771,423.04

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Solution

The fourth proportional to 1,415,995.04, 1,954,050.40 and 771,423.04 is: 1,064,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,995.04 : 1,954,050.40 = 771,423.04 : x
  2. Step 2: Convert to fraction form
    1,415,995.04/1,954,050.40 = 771,423.04/x
  3. Step 3: Cross multiply
    1,415,995.04x = 1,954,050.40 × 771,423.04
  4. Step 4: Simplify right side
    1,415,995.04x = 1,507,399,499,881.22
  5. Step 5: Solve for x
    x = 1,507,399,499,881.22/1,415,995.04
  6. Step 6: Final answer
    x = 1,064,551.40

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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.