Home / 1,938,674-2,908,275.96-676,312.40

Finding the Fourth Proportional to 1,938,674, 2,908,275.96 and 676,312.40

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Solution

The fourth proportional to 1,938,674, 2,908,275.96 and 676,312.40 is: 1,014,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,674 : 2,908,275.96 = 676,312.40 : x
  2. Step 2: Convert to fraction form
    1,938,674/2,908,275.96 = 676,312.40/x
  3. Step 3: Cross multiply
    1,938,674x = 2,908,275.96 × 676,312.40
  4. Step 4: Simplify right side
    1,938,674x = 1,966,903,094,369.90
  5. Step 5: Solve for x
    x = 1,966,903,094,369.90/1,938,674
  6. Step 6: Final answer
    x = 1,014,561.03

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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.