Home / 1,575,386.70-2,359,969.65-942,420.30

Finding the Fourth Proportional to 1,575,386.70, 2,359,969.65 and 942,420.30

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Solution

The fourth proportional to 1,575,386.70, 2,359,969.65 and 942,420.30 is: 1,411,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,386.70 : 2,359,969.65 = 942,420.30 : x
  2. Step 2: Convert to fraction form
    1,575,386.70/2,359,969.65 = 942,420.30/x
  3. Step 3: Cross multiply
    1,575,386.70x = 2,359,969.65 × 942,420.30
  4. Step 4: Simplify right side
    1,575,386.70x = 2,224,083,305,543.90
  5. Step 5: Solve for x
    x = 2,224,083,305,543.90/1,575,386.70
  6. Step 6: Final answer
    x = 1,411,769.76

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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.