Home / 1,402,045.47-1,934,820.36-757,463.67

Finding the Fourth Proportional to 1,402,045.47, 1,934,820.36 and 757,463.67

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Solution

The fourth proportional to 1,402,045.47, 1,934,820.36 and 757,463.67 is: 1,045,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,045.47 : 1,934,820.36 = 757,463.67 : x
  2. Step 2: Convert to fraction form
    1,402,045.47/1,934,820.36 = 757,463.67/x
  3. Step 3: Cross multiply
    1,402,045.47x = 1,934,820.36 × 757,463.67
  4. Step 4: Simplify right side
    1,402,045.47x = 1,465,556,130,676.32
  5. Step 5: Solve for x
    x = 1,465,556,130,676.32/1,402,045.47
  6. Step 6: Final answer
    x = 1,045,298.57

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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.