Home / 1,249,904.70-1,724,859.90-676,931.76

Finding the Fourth Proportional to 1,249,904.70, 1,724,859.90 and 676,931.76

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Solution

The fourth proportional to 1,249,904.70, 1,724,859.90 and 676,931.76 is: 934,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,904.70 : 1,724,859.90 = 676,931.76 : x
  2. Step 2: Convert to fraction form
    1,249,904.70/1,724,859.90 = 676,931.76/x
  3. Step 3: Cross multiply
    1,249,904.70x = 1,724,859.90 × 676,931.76
  4. Step 4: Simplify right side
    1,249,904.70x = 1,167,612,447,860.42
  5. Step 5: Solve for x
    x = 1,167,612,447,860.42/1,249,904.70
  6. Step 6: Final answer
    x = 934,161.18

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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.