Home / 917,070.70-1,376,642.85-707,637.10

Finding the Fourth Proportional to 917,070.70, 1,376,642.85 and 707,637.10

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Solution

The fourth proportional to 917,070.70, 1,376,642.85 and 707,637.10 is: 1,062,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,070.70 : 1,376,642.85 = 707,637.10 : x
  2. Step 2: Convert to fraction form
    917,070.70/1,376,642.85 = 707,637.10/x
  3. Step 3: Cross multiply
    917,070.70x = 1,376,642.85 × 707,637.10
  4. Step 4: Simplify right side
    917,070.70x = 974,163,554,109.74
  5. Step 5: Solve for x
    x = 974,163,554,109.74/917,070.70
  6. Step 6: Final answer
    x = 1,062,255.67

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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.