Home / 1,140,152.08-1,574,339.96-732,456.40

Finding the Fourth Proportional to 1,140,152.08, 1,574,339.96 and 732,456.40

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Solution

The fourth proportional to 1,140,152.08, 1,574,339.96 and 732,456.40 is: 1,011,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,152.08 : 1,574,339.96 = 732,456.40 : x
  2. Step 2: Convert to fraction form
    1,140,152.08/1,574,339.96 = 732,456.40/x
  3. Step 3: Cross multiply
    1,140,152.08x = 1,574,339.96 × 732,456.40
  4. Step 4: Simplify right side
    1,140,152.08x = 1,153,135,379,477.74
  5. Step 5: Solve for x
    x = 1,153,135,379,477.74/1,140,152.08
  6. Step 6: Final answer
    x = 1,011,387.34

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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.