Home / 1,249,770.82-1,724,681.10-676,809.22

Finding the Fourth Proportional to 1,249,770.82, 1,724,681.10 and 676,809.22

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Solution

The fourth proportional to 1,249,770.82, 1,724,681.10 and 676,809.22 is: 933,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,770.82 : 1,724,681.10 = 676,809.22 : x
  2. Step 2: Convert to fraction form
    1,249,770.82/1,724,681.10 = 676,809.22/x
  3. Step 3: Cross multiply
    1,249,770.82x = 1,724,681.10 × 676,809.22
  4. Step 4: Simplify right side
    1,249,770.82x = 1,167,280,070,039.74
  5. Step 5: Solve for x
    x = 1,167,280,070,039.74/1,249,770.82
  6. Step 6: Final answer
    x = 933,995.30

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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.